Sergei K. Krikalev

Spent a record 804 cumulative days in outer space
Eugene Kranz

Eugene Francis ‘Gene’ Kranz was born August 17, 1933, in Toledo, Ohio. He would graduate from Saint Louis University in 1954; the next year he received a commission in the […]
Christopher C. Kraft Jr.

Directed the Manned Spacecraft Center (now the Johnson Space Center) for ten years
Sergei P. Korolev

Soviet Space Program Just as Wernher Von Braun is often credited as the individual most responsible for making the American space program a success, rocket designer Sergei Pavlovich Korolev was […]
Yuri Vasilievich Kondratyuk

Yuri Vasilievich Kondratyuk (1897-1942): Born as Aleksandr Shargei, he took a new name to avoid persecution during the Russian Revolution. Kondratyuk wrote visionary works on spaceflight and rocketry. He suggested […]
William J. Knight

Set a world speed record for winged aircraft in the X-15 rocket plane
Joseph W. Kittinger

Flew the first Manhigh mission; made a record free-fall in Project Excelsior
Nikolai I. Kibalchich

Conceived the first design of a manned rocket airplane
Johannes Kepler

Proved the Earth and other planets move according to fixed laws
Thomas Kelly

Born on June 14, 1929, in Brooklyn, Kelly was raised in Merrick on Long Island, NY. He became fascinated with engineering in high school and attended Cornell University on a […]