I have mentioned here before, but I saw Michael Collins in the late 1970's in the bookshop of the Air & Space Museum, when he ran the place. (I thought it was the 1980's, but I was also there in either '78 or '79, and he was the director up to 1978, apparently.)
He's 85 now, and recently gave an interview (linked above) which has a few funny parts, including this:
Is there anything particular that provokes memories of the Apollo days?
Well, the moon kind of surprises me sometimes. I’ll be out at night and I’ll see a nice moon, and say, “Hey, that looks good.” Then I’ll say, “Oh shit, I went up there one time!” Kind of surprises me. It’s like there are two Moons, you know—the one that’s usually around, and then that one.