KATTE, Walter, civil engineer, born in London, England, 14 November, 1830. He was educated at King's college school, and in 1846-'9 served his pupilage in a civil engineer's office. He came to the United States in 1850, entered the American railway service, and in 1857-'8 was resident engineer of the state canals of Pennsylvania. He was resident engineer of the western division of the Pitts-burg, Fort Wayne and Chicago railroad in 1858-'9, and in 18,59-'61 chief assistant engineer of the Pitts-burg and Steubenville railroad. In 1861-'2 he was connected with the United States military railway service in Washington, Virginia, and Maryland, and in 1863 he became chief engineer of the Lewiston branch of the Pennsylvania railroad, and in 1863-'5 resident engineer and engineer of bridges and buildings on the Northern Central railroad. Mr. Katte held in 1865-'75 the offices of engineer, secretary, and general western agent of the Keystone bridge company of Pittsburg, closing this service as superintending engineer of the erection of the St. Louis steel arch bridge. After two years in St. Louis he came to New York as chief engineer of the New York elevated railroad, which office he held in 1877-'80, and in 1880-'6 he was chief engineer of the New York, West Shore, and Buffalo railroad and its branches, and of the North river construction company. In 1886 he became chief engineer of the New York Central and Hudson river, New York and Harlem, and West Shore railroads with their branches. Mr. Katte is a member of various societies of civil engineers.