Apollo astronaut Alan Bean {wiki} was the fourth man to walk on the moon, during the Apollo 12 mission in 1969. He is the only artist to have visited another world, so his paintings of the lunar environment have the authenticity of an eyewitness. In 1981, he retired from Nasa to devote time to his art. See those paintings at his online gallery, and stories that accompany each one. Link -via Ursi’s Blog