Description:
(Electrical Engineer) Peter Cooper Hewitt made remarkable contributions as an American electrical engineer and inventor. In 1901, he created the first mercury-vapor lamp, for which he received a U.S. patent. Hewitt further improved his invention in 1903, enhancing its color qualities. This upgraded mercury-vapor lamp became widely used in industries, solidifying Hewitt's status as a prominent figure in lighting technology in the early 20th century.
