From Wikipedia, the free encyclopedia. Jean Clottes is a prominent French prehistorian. He was born in the French Pyrénées in 1933 and began to study archaeology in 1959, while teaching high school. He initially focused on Neolithic dolmens, which were the topic of his 1975 Ph.D. thesis at the University of Toulouse. After being appointed director of prehistoric antiquities for the Midi-Pyrénées in 1971, he began to study prehistoric cave art in order to fulfill the responsibilities of that pos ...