Which member of the group of seven astronauts announced by NASA in 1959 had Leroy as his given first name?
Mercury Seven: The Mercury Seven were the group of seven Mercury astronauts announced by NASA on April 9, 1959. Mercury Seven:  These seven original American astronauts were Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard, and Deke Slayton.
i don't know