Jacques Vallée

Jacques Fabrice Vallée (born September 24, 1939) is a French-born computer scientist, astronomer, author, and ufologist. In the course of his career, he was responsible for co-developing the first computer mapping of Mars, participated in the development of ARPANET, and has been deeply involved in the study of Ufology, arguing for its scientific legitimacy and promoting the Interdimensional hypothesis.