Colonization of the Moon the Soviet leadership made some of its first public pronouncements about landing a man on the Moon and establishing a lunar base. Crewed exploration of the lunar surface began in 1968 when the Apollo 8 spacecraft orbited the Moon with three astronauts on board. This was mankind's first direct view of the far side. The following year, the Apollo 11 Apollo Lunar Module landed two astronauts on the Moon, proving the ability of humans to travel to the Moon, perform scientific research work there, and bring back sample materials. Additional missions to the Moon continued this exploration phase. In 1969,
The First Men in the Moon on Earth. Unfortunately, Cavor reveals humanity's propensity for war; the lunar leader and those listening to the interview are "stricken with amazement". Bedford infers that it is for this reason that Cavor has been prevented from further broadcasting to Earth. Cavor's transmissions are cut off as he is trying to describe how to make cavorite. His final fate is unknown, but Bedford is sure that "we shall never… receive another message from the moon". C. S. Lewis explicitly stated that his science fiction books were both inspired by and written as an antithesis to those of H. G. Wells. Specifically,