Martin Lewis Perl was an American chemical engineer and physicist who won the Nobel Prize in Physics in 1995 for his discovery of the tau lepton. The Nobel Prize in Physics 1995, announced October 11, 1995. Martin L. Perl (1/2), “for the discovery of the tau lepton”. Frederick Reines (1/2), “for the detection of the neutrino”. Martin L. Perl: born 1927, New York, NY, USA. Frederick Reines: born 1918, Paterson, NJ, USA. Wiki link Wiki link Data: the Nobel Foundation (CC0).