We can thank A.C. promoter George Westinghouse when we use this type of electricity, "A.C." for short
[PAR] Jul 25, 2016 ... Tesla takes the letter -- which we can see is from Edison ... A short and portly man 
six years Tesla's senior, Edison is a ..... A large AC generator smoothly fires up 
and runs an AC motor a .... Tesla and George Westinghouse emerge and enter 
for ..... types.