prehistorian

noun

1. A student of, or expert in prehistory.

   “The prehistorian Andre Leroi-Gourhan has identified it as "a woman holding a bison horn."”

   “In the early 1930s, he fell under the spell of a wife-beating, alcoholic, Austrian occultist called Karl Maria Wiligut and a Dutch prehistorian called Herman Wirth, whose views further fed his fantastical illusions.”