• Born date: 1865-04-09
  • Born in: Prussia
  • Death date: 1923-10-26
  • Death in: Vale Cemetery and Vale Park
Charles Proteus Steinmetz

Charles Proteus Steinmetz (April 9, 1865 – October 26, 1923) was a mathematician and electrical engineer. He fostered the development of alternating current that made possible the expansion of the electric power industry in the United States, formulating mathematical theories for engineers.