Samuel Hartt

USS Michigan, the first ironclad warship of the U.S. Navy, was built by Hartt in 1843

Samuel Hartt (1786–1860) was a prominent American shipbuilder for the U.S. Navy who built various warships used from the War of 1812 to the U.S. Civil War, including the first steamship and ironclad warships of the U.S. Navy.