Robber BaronRobber Baron is the first biography of the streetcar magnate Charles Tyson Yerkes (1837 1905), who stands alongside J. P. Morgan and Andrew Carnegie as one of the most colorful and controversial public figures in Gilded Age America. John Franch draws upon every available source to tell the story of the man who was the mastermind behind Chicagos Loop Elevated and the London Underground, the namesake of the University of Chicagos observatory, and the