Russian poet Yevgeny Yevtushenko (left) listens Kennedy Space Center Director Kurt H. Debus explaining the space shuttle program, 16 on April 15, 1972. Yevtushenko was visiting the Space Center to watch the launch of Apollo 16 (AP Photo).

Russian poet Yevgeny Yevtushenko (left) listens Kennedy Space Center Director Kurt H. Debus explaining the space shuttle program, 16 on April 15, 1972. Yevtushenko was visiting the Space Center to watch the launch of Apollo 16 (AP Photo).