Who was the director of NASA when a United States Marine Corps aviator circled the Earth three times?
John Glenn John Herschel Glenn Jr. (July 18, 1921 – December 8, 2016) was a United States Marine Corps aviator, engineer, astronaut, and United States Senator from Ohio. In 1962 he became the first American to orbit the Earth, circling it three times.
Curt Michel Frank Curtis "Curt" Michel, Ph.D. (June 5, 1934 – February 26, 2015) was an American astrophysicist; a professor of astrophysics at Rice University in Houston, Texas; a former United States Air Force pilot; and a NASA astronaut.