Engineer, born in Philadelphia in 1798; died there on the 8th of October 1872; son of Benjamin Franklin Bache; graduated at West Point, 1818; was employed under the direction of the War Department for forty-seven years. In 1865 he was breveted brigadier-general for meritorious service—the highest grade in the engineer corps. The construction of the Delaware Breakwater and the successful application of iron screw-piles for the foundation of lighthouses on reefs and shoals were among his conspicuous works. He was a member of the lighthouse board from 1862 to 1870; was placed on the retired list in 1867.