He worked as a tanner with Zadock Pratt and C.M. Loup shortly after writing the book The History of Delaware County and creating the first map of the county. His greatest house was Irvington on the Hudson and his first railroad was the Rensallaer & Saratoga. The sworn enemy of Commodore Vanderbilt, he placed cannons on the Jersey City waterfront to keep the Commodore away during their battle over the Erie Railroad. His most famous enterprises were the Western Union telegraph company and the Union Pacific Railroad. For 10 points, name this robber baron who bribed A.H. Corbin, President Grant's brother-in- law to discover plans for the gold market and along with James Fisk attempted to corner 
He worked as a tanner with Zadock Pratt and C.M. Loup shortly after writing the book The History of Delaware County and creating the first map of the county. His greatest house was Irvington on the Hudson and his first railroad was the Rensallaer & Saratoga. The sworn enemy of Commodore Vanderbilt, he placed cannons on the Jersey City waterfront to keep the Commodore away during their battle over the Erie Railroad. His most famous enterprises were the Western Union telegraph company and the Union Pacific Railroad. For 10 points, name this robber baron who bribed A.H. Corbin, President Grant's brother-in- law to discover plans for the gold market and along with James Fisk attempted to corner the market leading to the Black Friday panic.
He worked as a tanner with Zadock Pratt and C.M. Loup shortly after writing the book The History of Delaware County and creating the first map of the county.