Charles Proteus Steinmetz (April 9, 1865 β October 26, 1923) was a pioneering electrical engineer and mathematician born in Breslau, Prussia (now WrocΕaw, Poland). Renowned for his groundbreaking work in alternating current systems and electromagnetic theory, he significantly advanced the understanding and development of electrical engineering. Steinmetz's innovative contributions helped shape modern electrical technology and earned him a lasting legacy in the field.