Yeah, but Buzz Aldrin is still alive and he's definitely still his own variety of batshit insane given him beginning his fourth marriage at 93 years old.

The whole of the Apollo 11 crew didn't just go to the moon, they did it after the initial crew were incinerated.

The shuttle crews looked for responsible people of exceptional skill. But the early astronaut crews were looking for adrenaline junkies with advanced degrees in science and engineering and experience flying in incredibly dangerous conditions.