Born poor in Beverly, Massachusetts, in 1755, the young Israel Thorndike was a fisherman and ship owner who made a small fortune as a Revolutionary War privateer. Later he became a wealthy merchant, a delegate to the Massachusetts Ratification Convention and a director of the National Bank in Boston. A longtime Federalist legislator, he was highly regarded within the radical circles that contemplated secession during the Jefferson administration and the War of 1812. After the war, Thorndike concluded his multifaceted career as the leading venture capitalist financing the early Industrial Revolution. Sadly, his story is little known. Federalist Tycoon pulls Thorndike's life and career from the shadows and fully examines his impact on American economic development.