I've always thought the CSM commanders had the most incredible and challenging role of the three Apollo astronauts. They were undoubtedly the "most alone" human

I've always thought the CSM commanders had the most incredible and challenging role of the three Apollo astronauts. They were undoubtedly the "most alone" humans ever — at least on a physical level. Every other hour they'd transit to the far side of the moon and would be 2200 miles (3600km) away from the nearest two humans and hundreds of thousands of miles/km away from everyone else who's ever lived. Not only that, they lost radio contact. The silence and solitude must have been wild. For upwards of three days. From the NYT obit: “I am alone now, truly alone, and absolutely isolated from any known life,” [Collins] wrote in recreating his thoughts for his 1974 memoir, “Carrying the Fire.” “If a count were taken, the score would be three billion plus two over on the other side of the moon, and one plus God only knows what on this side,” he added. “I like the feeling. Outside my window I can see stars — and that is all. Where I know the moon to be, there is simply a black void.”