David Sepkoski, Ph.D. (born January 27, 1972) is an American science historian and college professor at the University of Illinois at Urbana-Champaign.
David Sepkoski, Ph.D. (born January 27, 1972) is an American science historian and college professor at the University of Illinois at Urbana-Champaign. (en)
David Sepkoski, Ph.D. (born January 27, 1972) is an American science historian and college professor at the University of Illinois at Urbana-Champaign. (en)