Title: Fifty years on the space frontier
Subjects: Aerospace engineers, Biography, Exploration, History, Orbital mechanics, Ingénieurs en aérospatiale, Biographies, Histoire, Mécanique orbitale, Exploration of outer space, ASTRONAUTICS, HISTORIES, Comets, Asteroids, Scientists, biography
Places: United States, Outer space, États-Unis, Espace extra-atmosphérique
People: Robert W. Farquhar