Nikola Tesla (1856–1943) was a Serbian-American inventor, writer, physicist, and engineer, best known for his work on the alternating current (AC) electricity supply system.
Thomas Commerford Martin was an electrical engineer and writer, born in London in 1856. He spent the majority of his adult life in New York, where he edited the Operator magazine. He died in 1924.
Ken Mondschein is a college professor, scholar, fencing master, jouster, and author with expertise in subjects ranging from medieval history to contemporary politics. He was a Fulbright scholar to France, received his PhD in history from Fordham University and is certified as a master of historical fencing by the US Fencing Coaches' Association. His work includes history, fencing, introductions to works of classic literature, and other projects.