Robert Andrews Millikan was an American experimental physicist who received the Nobel Prize in Physics in 1923 "for his work on the elementary charge of electricity and on the photoelectric effect." The Nobel Prize in Physics 1923, announced November 13, 1923. Robert A. Millikan, “for his work on the elementary charge of electricity and on the photoelectric effect”. Robert A. Millikan: born 1868, Morrison, IL, USA. Wiki link Data: the Nobel Foundation (CC0).