text: Not long after in 1960 Louis , his son Philip and Ray Pickering discovered a fossil he termed `` Chellean Man '' , as it was in context with Olduwan tools , the first such find .
simplified: In 1960 Louis , his son Philip and Ray Pickering discovered a fossil he termed `` Chellean Man '' , as it was in context with Oldowan tools , the first such find .