Back علي جوان Arabic على جوان ARZ Əli Cavan Azerbaijani علی جوان AZB Ali Javan German علی جوان Persian Ali Javan French Ali Javan HT Ալի Ջավան Armenian Ali Javan Italian
Ali Javan (Persian: علی جوان, romanized: Ali Javān); December 26, 1926 – September 12, 2016) was an Iranian American physicist and inventor. He was the first to propose the concept of the gas laser in 1959 at the Bell Telephone Laboratories. A successful prototype, constructed by him in collaboration with W. R. Bennett, Jr., and D. R. Herriott, was demonstrated in 1960. His other contributions to science have been in the fields of quantum physics and spectroscopy.