Methuselah's Children Author:Robert A Heinlein Members of the Families were ordinary human beings, no different from neighboring Smiths or Browns, except for one disturbing trait: they were extraordinarily long-lived. — In the ultra-civilized year of 2125 A.D. this distinction was intolerable. Hounded for a secret they did not knowingly possess, the Families were forced to choose--torture and... more » extinction by their jealous, short-lived fellowmen...or flight from Earth on an untested starship.
They chose the latter. But to their horror they discovered that the alien stars nourished a threat even more terrifying than the one which had taken them from Earth.« less