Jack Sepkoski

American paleontologist (1948-1999).

Born July 26th, 1948 in Presque Isle.

Died May 1st, 1999 at 50 years old in Chicago.

Occupations
palaeontologist, university teacher
Wikipedia

Death is not the biggest fear we have; our biggest fear is taking the risk to be alive – the risk to be alive and express what we really are. Miguel Angel Ruiz