Today in 1959: NASA introduced the Project Mercury astronauts to the world. Known as the Mercury Seven or the Original Seven, they are (front row, left to right) Walter M. “Wally” Schirra Jr., Donald K. “Deke” Slayton, John H. Glenn Jr., M. Scott Carpenter, (back row) Alan B. Shepard Jr., Virgil I. “Gus” Grissom and L. Gordon Cooper, Jr.
Image credit: NASA
