Astronaut List
API endpoint that allows Astronaut to be viewed.
GET: Return a list of all the existing astronauts.
MODE: Normal, List, LaunchList and Detailed /2.2.0/astronaut/?mode=detailed
FILTERS: Parameters - 'name', 'status', 'nationality', 'agency__name', 'agency__abbrev', 'date_of_birth', 'date_of_death', 'status_ids', 'is_human', 'type__id', 'has_flown', 'in_space' Example - /2.2.0/astronaut/?nationality=American
SEARCH EXAMPLE: /2.2.0/astronaut/?search=armstrong Searches through name, nationality and agency name
ORDERING: Fields - 'name', 'status', 'date_of_birth' Example - /2.2.0/astronaut/?order=name
GET /2.2.0/astronaut/?format=api&offset=790&ordering=spacewalks_count
{ "count": 824, "next": "https://lldev.thespacedevs.com/2.2.0/astronaut/?format=api&limit=10&offset=800&ordering=spacewalks_count", "previous": "https://lldev.thespacedevs.com/2.2.0/astronaut/?format=api&limit=10&offset=780&ordering=spacewalks_count", "results": [ { "id": 204, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/204/?format=api", "name": "Talgat Musabayev", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P341DT11H58M8S", "eva_time": "P1DT17H22M", "age": 74, "date_of_birth": "1951-01-07", "date_of_death": null, "nationality": "Kazakh", "bio": "Talgat Amangeldyuly Musabayev (Kazakh: Талғат Аманкелдіұлы Мұсабаев; born 7 January 1951) is a Kazakh test pilot and former cosmonaut who flew on three spaceflights. His first two spaceflights were long-duration stays aboard the Russian space station Mir. His third spaceflight was a short duration visiting mission to the International Space Station, which also carried the first paying space tourist Dennis Tito. He retired as a cosmonaut in November 2003.", "twitter": null, "instagram": null, "wiki": "https://en.wikipedia.org/wiki/Talgat_Musabayev", "agency": { "id": 63, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/63/?format=api", "name": "Russian Federal Space Agency (ROSCOSMOS)", "featured": true, "type": "Government", "country_code": "RUS", "abbrev": "RFSA", "description": "The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.", "administrator": "Administrator: Yuri Borisov", "founding_year": "1992", "launchers": "Soyuz", "spacecraft": "Soyuz", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_image_20190207032459.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_logo_20190207032459.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/talgat2520musabayev_image_20181201180632.jpg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185626.jpeg", "flights_count": 3, "landings_count": 3, "spacewalks_count": 7, "last_flight": "2001-04-28T07:37:20Z", "first_flight": "1994-07-01T12:24:50Z" }, { "id": 457, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/457/?format=api", "name": "Joseph R. Tanner", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P43DT13H14M4S", "eva_time": "P1DT21H29M", "age": 75, "date_of_birth": "1950-01-21", "date_of_death": null, "nationality": "American", "bio": "Joseph Richard \"Joe\" Tanner is an American instructor at the University of Colorado Boulder, mechanical engineer, a former naval officer and aviator, and a former NASA astronaut. He was born in Danville, Illinois. He is unusual among astronauts as he did not have a background in flight test nor did he earn any advanced academic degrees. Typically those who did not do military flight test have an M.D. or Ph.D., if not a master's, whereas Tanner's path to becoming an astronaut followed operational military flying and then into NASA for operational jet training before being selected into the NASA Astronaut Corps in 1992, following an unsuccessful application in 1987.", "twitter": null, "instagram": null, "wiki": "https://en.wikipedia.org/wiki/Joseph_R._Tanner", "agency": { "id": 44, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "featured": true, "type": "Government", "country_code": "USA", "abbrev": "NASA", "description": "The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.", "administrator": "Acting Administrator: James Free", "founding_year": "1958", "launchers": "Space Shuttle | SLS", "spacecraft": "Orion", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_image_20190207032448.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_logo_20190207032448.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/joseph_r._tanne_image_20220911034401.jpeg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190115.jpeg", "flights_count": 4, "landings_count": 4, "spacewalks_count": 7, "last_flight": "2006-09-09T15:14:55Z", "first_flight": "1994-11-03T16:59:43Z" }, { "id": 456, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/456/?format=api", "name": "Steven Smith", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P40DT15M23S", "eva_time": "P1DT23H48M", "age": 66, "date_of_birth": "1958-12-30", "date_of_death": null, "nationality": "American", "bio": "Steven Lee Smith is an American technology executive and former NASA astronaut, being a veteran of four space flights covering 16 million miles and seven space walks totaling 49 hours and 25 minutes. Smith’s spacewalk time places him in the top ten on the all-time American and World spacewalk duration lists.", "twitter": null, "instagram": null, "wiki": "https://en.wikipedia.org/wiki/Steven_Smith_(astronaut)", "agency": { "id": 44, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "featured": true, "type": "Government", "country_code": "USA", "abbrev": "NASA", "description": "The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.", "administrator": "Acting Administrator: James Free", "founding_year": "1958", "launchers": "Space Shuttle | SLS", "spacecraft": "Orion", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_image_20190207032448.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_logo_20190207032448.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/steven2520smith_image_20181202145946.jpg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190622.jpeg", "flights_count": 4, "landings_count": 4, "spacewalks_count": 7, "last_flight": "2002-04-08T20:44:19Z", "first_flight": "1994-09-30T11:16:01Z" }, { "id": 454, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/454/?format=api", "name": "Scott E. Parazynski", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P57DT15H31M23S", "eva_time": "P1DT23H5M", "age": 64, "date_of_birth": "1961-07-28", "date_of_death": null, "nationality": "American", "bio": "Scott Edward Parazynski is an American physician and a former NASA astronaut. A veteran of five Space Shuttle flights and seven spacewalks, Parazynski's latest mission was STS-120 in October, 2007 – highlighted by a dramatic, unplanned EVA to repair a live solar array. In May 2016 he was inducted into the US Astronaut Hall of Fame. He retired from NASA in March 2009 to pursue entrepreneurial opportunities in the private sector, and he is currently the CEO of a technology start-up. He is the first person to have both flown in space and summited Mount Everest, the highest point on Earth.", "twitter": "https://twitter.com/AstroDocScott", "instagram": "https://www.instagram.com/astrodocscott/", "wiki": "https://en.wikipedia.org/wiki/Scott_E._Parazynski", "agency": { "id": 44, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "featured": true, "type": "Government", "country_code": "USA", "abbrev": "NASA", "description": "The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.", "administrator": "Acting Administrator: James Free", "founding_year": "1958", "launchers": "Space Shuttle | SLS", "spacecraft": "Orion", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_image_20190207032448.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_logo_20190207032448.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/scott2520e.2520parazynski_image_20181202145657.jpg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185903.jpeg", "flights_count": 5, "landings_count": 5, "spacewalks_count": 7, "last_flight": "2007-10-23T15:38:19Z", "first_flight": "1994-11-03T16:59:43Z" }, { "id": 8, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/8/?format=api", "name": "Andrew R. Morgan", "status": { "id": 1, "name": "Active" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P271DT12H48M22S", "eva_time": "P1DT21H48M", "age": 49, "date_of_birth": "1976-02-05", "date_of_death": null, "nationality": "American", "bio": "Andrew Richard \"Drew\" Morgan is a NASA astronaut from the class of 2013.", "twitter": "https://twitter.com/AstroDrewMorgan", "instagram": "https://www.instagram.com/astrodrewmorgan/", "wiki": "https://en.wikipedia.org/wiki/Andrew_R._Morgan", "agency": { "id": 44, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "featured": true, "type": "Government", "country_code": "USA", "abbrev": "NASA", "description": "The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.", "administrator": "Acting Administrator: James Free", "founding_year": "1958", "launchers": "Space Shuttle | SLS", "spacecraft": "Orion", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_image_20190207032448.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_logo_20190207032448.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/andrew_r._morga_image_20220911034204.jpeg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185549.jpeg", "flights_count": 1, "landings_count": 1, "spacewalks_count": 7, "last_flight": "2019-07-20T16:28:21Z", "first_flight": "2019-07-20T16:28:21Z" }, { "id": 195, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/195/?format=api", "name": "Musa Manarov", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P541DT29M38S", "eva_time": "P1DT11H2M", "age": 74, "date_of_birth": "1951-03-22", "date_of_death": null, "nationality": "Russian", "bio": "Musa Khiramanovich Manarov (Russian: Муса Хираманович Манаров; born March 22, 1951 in Baku, Azerbaijan SSR) is a former cosmonaut who spent 541 days in space.\r\nFrom December 21, 1987 to December 21, 1988 he flew as flight engineer on Soyuz TM-4. The flight duration was 365 days 22 hours 38 minutes. From December 2, 1990 to May 26, 1991 he flew again as a flight engineer on Soyuz TM-11. The duration was 175 days 1 hour 50 minutes,[2] the longest continuous time spent in space by anyone at that time. During his 176-day stay, Manarov observed the Earth and worked in space manufacturing. He also performed 20 hours of spacewalks.", "twitter": null, "instagram": null, "wiki": "https://en.wikipedia.org/wiki/Musa_Manarov", "agency": { "id": 63, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/63/?format=api", "name": "Russian Federal Space Agency (ROSCOSMOS)", "featured": true, "type": "Government", "country_code": "RUS", "abbrev": "RFSA", "description": "The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.", "administrator": "Administrator: Yuri Borisov", "founding_year": "1992", "launchers": "Soyuz", "spacecraft": "Soyuz", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_image_20190207032459.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_logo_20190207032459.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/musa2520manarov_image_20181201175155.jpg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190201.jpeg", "flights_count": 2, "landings_count": 2, "spacewalks_count": 7, "last_flight": "1990-12-02T08:13:32Z", "first_flight": "1987-12-21T11:18:03Z" }, { "id": 278, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/278/?format=api", "name": "Pavel Vinogradov", "status": { "id": 1, "name": "Active" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P546DT22H31M26S", "eva_time": "P1DT14H25M", "age": 71, "date_of_birth": "1953-08-31", "date_of_death": null, "nationality": "Russian", "bio": "Pavel Vladimirovich Vinogradov (Russian: Павел Владимирович Виноградов; born August 31, 1953 in Magadan, USSR) is a cosmonaut and former commander of the International Space Station. As of May 2013, he has flown into space three times, aboard Mir and the International Space Station, and is one of the top 10 astronauts in terms of total time in space. Vinogradov has also conducted seven spacewalks in his cosmonaut career, and holds the record for the oldest person to perform a spacewalk.", "twitter": null, "instagram": null, "wiki": "https://en.wikipedia.org/wiki/Pavel_Vinogradov", "agency": { "id": 63, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/63/?format=api", "name": "Russian Federal Space Agency (ROSCOSMOS)", "featured": true, "type": "Government", "country_code": "RUS", "abbrev": "RFSA", "description": "The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.", "administrator": "Administrator: Yuri Borisov", "founding_year": "1992", "launchers": "Soyuz", "spacecraft": "Soyuz", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_image_20190207032459.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_logo_20190207032459.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/pavel2520vinogradov_image_20181201224203.jpg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305185703.jpeg", "flights_count": 3, "landings_count": 3, "spacewalks_count": 7, "last_flight": "2013-03-28T20:43:20Z", "first_flight": "1997-08-05T15:35:54Z" }, { "id": 56, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/56/?format=api", "name": "Viktor Afanasyev", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P555DT18H34M26S", "eva_time": "P1DT14H33M", "age": 76, "date_of_birth": "1948-12-31", "date_of_death": null, "nationality": "Russian", "bio": "Viktor Mikhailovich Afanasyev Russian: Виктор Михайлович Афанасьев; born 31 December 1948) is a colonel in the Russian Air Force and a test cosmonaut of the Yu. A. Gagarin Cosmonaut Training Center.", "twitter": null, "instagram": null, "wiki": "https://en.wikipedia.org/wiki/Viktor_Afanasyev_(cosmonaut)", "agency": { "id": 63, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/63/?format=api", "name": "Russian Federal Space Agency (ROSCOSMOS)", "featured": true, "type": "Government", "country_code": "RUS", "abbrev": "RFSA", "description": "The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.", "administrator": "Administrator: Yuri Borisov", "founding_year": "1992", "launchers": "Soyuz", "spacecraft": "Soyuz", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_image_20190207032459.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/russian2520federal2520space2520agency25202528roscosmos2529_logo_20190207032459.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/viktor2520afanasyev_image_20181128215901.jpeg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190036.jpeg", "flights_count": 4, "landings_count": 4, "spacewalks_count": 7, "last_flight": "2001-10-21T08:59:35Z", "first_flight": "1990-12-02T08:13:32Z" }, { "id": 477, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/477/?format=api", "name": "Robert Curbeam", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P37DT14H31M23S", "eva_time": "P1DT21H35M", "age": 63, "date_of_birth": "1962-03-05", "date_of_death": null, "nationality": "American", "bio": "Robert Lee Curbeam, Jr. is a former NASA astronaut and captain in the United States Navy.\r\n\r\nCurbeam graduated from Woodlawn High School, Baltimore County, Maryland in 1980. He earned a Bachelor of Science degree in Aerospace Engineering from the United States Naval Academy in 1984, a Master of Science degree in Aeronautical Engineering from the Naval Postgraduate School in 1990, and a master's degree in Astronautical Engineering from the Naval Postgraduate School in 1991.\r\n\r\nHe is a member of the U.S. Naval Academy Alumni Association and the Association of Old Crows.\r\n\r\nCurbeam was named Fighter Wing One Radar Intercept Officer of the Year in 1989 and received the U.S. Naval Test Pilot School Best Developmental Thesis (DT-II) Award.\r\n\r\nHe currently holds the record for the most spacewalks during a single spaceflight. During the STS-116 mission, Curbeam completed four spacewalks.", "twitter": null, "instagram": null, "wiki": "https://en.wikipedia.org/wiki/Robert_Curbeam", "agency": { "id": 44, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "featured": true, "type": "Government", "country_code": "USA", "abbrev": "NASA", "description": "The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.", "administrator": "Acting Administrator: James Free", "founding_year": "1958", "launchers": "Space Shuttle | SLS", "spacecraft": "Orion", "parent": null, "image_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_image_20190207032448.jpeg", "logo_url": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/national2520aeronautics2520and2520space2520administration_logo_20190207032448.png" }, "profile_image": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/robert_curbeam_image_20220911033512.jpeg", "profile_image_thumbnail": "https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/255bauto255d__image_thumbnail_20240305190854.jpeg", "flights_count": 3, "landings_count": 3, "spacewalks_count": 7, "last_flight": "2006-12-10T01:47:35Z", "first_flight": "1997-08-07T14:41:00Z" }, { "id": 449, "url": "https://lldev.thespacedevs.com/2.2.0/astronaut/449/?format=api", "name": "John M. Grunsfeld", "status": { "id": 2, "name": "Retired" }, "type": { "id": 2, "name": "Government" }, "in_space": false, "time_in_space": "P58DT15H3M26S", "eva_time": "P2DT10H30M", "age": 66, "date_of_birth": "1958-10-10", "date_of_death": null, "nationality": "American", "bio": "John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist. His academic background includes research in high energy astrophysics, cosmic ray physics and the emerging field of exoplanet studies with specific interest in future astronomical instrumentation. After retiring from NASA in 2009, he served as the Deputy Director of the Space Telescope Science Institute in Baltimore, Maryland. In January 2012, he returned to NASA and served as associate administrator of NASA's Science Mission Directorate (SMD). Grunsfeld announced his retirement from NASA in April 2016.", "twitter": "https://twitter.com/SciAstro", "instagram": null, "wiki": "https://en.wikipedia.org/wiki/John_M._Grunsfeld", "agency": { "id": 44, "url": "https://lldev.thespacedevs.com/2.2.0/agencies/44/?format=api", "name": "National Aeronautics and Space Administration", "featured": true, "type": "Government", "country_code": "USA", "abbrev": "NASA", "description": "The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. 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