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.
Eberhard Rees Eberhard Friedrich Michael Rees (April 28, 1908 – April 2, 1998) was a German-American (by becoming a naturalized citizen of the United States) rocketry pioneer and the second director of NASA's Marshall Space Flight Center.