Buck Rogers in the 25th Century Wiki

Hieronymus Fox obtains his Ph.D. at the age of 10. ("Cosmic Wiz Kid")

Global tensions begin to spiral out of control, ultimately leading to a great war.

As the nuclear holocaust is approaching, Hieronymus Fox creates a device to preserve people in a cold sleep.

As the war escalates, Hieronymus Fox, unwilling to risk anyone's life but his own, subjects himself to the cold sleep device and ends up in cryogenic suspension until c. 2490 when he is "unthawed" by the Genesians.