"Any GM's ever commit any felonies that landed them in prison?"
Not sure if Fischer counts...
Jacques Mieses received his GM title at the age of 85. Yuri Averbakh at 89 years old is probably the oldest living grandmaster. Andor Lilienthal lived to be 99.
WGM Almira Skripchenko won $78000 in a poker tournament, and GM Walter Shawn Browne is also a poker player.
Kirsan Ilyumzhinov is not a GM, but he was president of Kalmykia for quite a few years.
Raymond Weinstein was an IM who killed a man, and was then incarcerated in a psychiatric hospital. Claude Bloodgood was convicted of murdering his mother.
Oldest person to become a GM.
Oldest living GM.
Oldest person to have lived who was a GM.
Any GM's ever create any inventions that made a profit not counting like a chess clock?
Any GM's ever get elected to any high office?
Highest rated chess player who has been in outer space?
Any GM ever win a lot of money at something other than Chess? Like poker for example.
Lowest and Highest IQ of GM's
Worst upset of a GM losing a game
Any GM's ever commit any felonies that landed them in prison?
Longest chess game ever played by a GM, and not the most moves I'm talking like over the longest period of time like if a person was playing chess by mail and making a move once a month for years.