René Barjavel

male, deceased (1985)
René Barjavel was a French author, journalist and critic who supposedly was the first to think of the grandfather paradox. He is best known as a s...
Paul Horwich

Paul Horwich

male, 62 years old
Paul Horwich (born 1947) is a British analytic philosopher at New York University, whose work includes writings on causality, truth, and meaning....