NASA Astronaut Group 4 (nicknamed "The Scientists") was a group of six astronauts selected by NASA in June 1965. While the astronauts of the first two groups were required to have an undergraduate degree or the professional equivalent in engineering or the sciences (with several holding advanced degrees), they were chosen for their experience as test pilots. Test pilot experience was waived as a requirement for the third group, and military jet fighter aircraft experience could be substituted. Group 4 was the first chosen on the basis of research and academic experience — a Ph.D. (or other doctorate) in the natural sciences, engineering, or medicine was a prerequisite for selection — with NASA providing pilot training as necessary. Initial screening of applicants was conducted by the National Academy of Sciences. Of the six ultimately chosen, four had military experience. Schmitt, a geologist, walked on the Moon during Apollo 17, while Garriott, Gibson, and Kerwin all flew to Skylab. Garriott also flew on the Space Shuttle. Graveline and Michel left NASA without having flown in space.
Background The launch of the Sputnik 1 satellite by the Soviet Union on October 4, 1957, started a Cold War technological and ideological competition with the United States known as the Space Race. The demonstration of American technological inferiority came as a profound shock to the American public. In response to the Sputnik crisis, although he did not see Sputnik as a grave threat, the President of the United States, Dwight D. Eisenhower, created a new civilian agency, the National Aeronautics and Space Administration (NASA), to oversee an American space program. In doing so, he sought to emphasise the scientific nature of the American space program and downplay its military aspects. In response to pressure from Congress to match and surpass Soviet achievements in space, NASA created an American crewed spaceflight project called Project Mercury. Project Mercury attracted criticism from the scientific community, who preferred a more methodical approach to space science. With the replacement of Eisenhower by John F. Kennedy in 1961, a President's Science Advisory Committee panel headed by Donald Hornig was charged with reporting on Project Mercury. NASA feared that space exploration would be turned over to the Department of Defense, but found support for an expanded scientific space program from the Space Science Board of the National Academy of Sciences (NAS). At its meeting on February 10–11, 1961, the Space Science Board adopted a formal resolution to support crewed space exploration. Confidence that the United States was catching up with the Soviet Union was shattered on April 12, 1961, when the Soviet Union launched Vostok 1, and cosmonaut Yuri Gagarin became the first man to orbit the Earth. In response, Kennedy announced a far more ambitious goal on May 25, 1961: to put a man on the Moon by the end of the decade. This already had a name: Project Apollo. Over the next few years, space science would constitute up to 20 percent of NASA's budget, but it would be dwarfed by spending on Project Apollo. NASA asked the Space Board to conduct a review of the space program, and this was done at the State University of Iowa between June 17 and July 31, 1962. The study recommended that scientists be included in the astronaut program, and that a scientist be included in the first mission to the Moon. Robert B. Voas, NASA's Assistant Director for Human Factors, drew up a proposal for the selection and training of scientists as astronauts, which he submitted in draft form on May 6, 1963. He pointed out the value in getting the support of the scientific community at a time when NASA's budget faced opposition in Congress. NASA officially announced an intention to recruit scientists as astronauts on June 5, 1963. On October 1, 1964, NASA announced that it was recruiting scientist astronauts as well as another intake of pilot astronauts.
Selection Key selection criteria were that candidates:
Be a United States citizen; Born on or after August 1, 1930; 6 feet 0 inches (1.83 m) or less in height; With a doctorate in the natural sciences, medicine or engineering, or equivalent. The height requirement was firm, an artifact of the size of the Apollo spacecraft. Candidates had to have copies of their academic transcripts from each university they had attended, along with Educational Testing Service scores and medical history were sent directly to the Astronaut Selection Board of the NAS by December 31, 1964, along with medical examination results. In addition, they could send supporting materials, which might include papers they had written, research they had conducted, or simply their thoughts about space science. They also had to be able to pass a Class I Military Flight Status Physical. This required 20/20 uncorrected vision. The helmets astronauts wore could not accommodate glasses, and contact lenses were considered to be unsuitable in space. A total of 1,351 applications were received by the deadline. About 200 of these were rejected for failing to meet the basic age, citizenship, height or vision criteria. The names of 400 applicants (four of whom were women) were forwarded to NAS to review their academic qualifications. The NAS selection board consisted of Allan H. Brown, Loren D. Carlson, Frederick L. Ferris, Thomas Gold, H. Keffer, Clifford Morgan, Eugene Shoemaker, Robert Speed and Aaron Waters. The NAS boards reduced the number of candidates to just fifteen. On May 2, 1965, they were sent to the United States Air Force School of Aerospace Medicine at Brooks Air Force Base, near San Antonio, Texas, for medical examinations. The final step, on May 12, 1965, was an interview by the NASA selection panel, which consisted of Charles A. Berry, John F. Clark, Maxime Faget, Warren J. North and Mercury Seven astronauts Alan B. Shepard and Donald K. Slayton. The names of the six successful candidates were publicly announced at a press conference on June 29, 1965. They were the first astronauts chosen on the basis of research and academic experience.
Group members
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