American civil engineer, born at Schenectady, NY, on the 10th of May 1802; died at Montrose, NJ, on the 31st of December 1889. He was graduated at Columbia College in 1823, and went into the service of the Delaware and Hudson Canal Company. In 1828 he was sent to England by this company to purchase the first locomotives used in America, and on August 9, 1829, he engineered the Stourbridge Lion in the first locomotive trip made in America. Directly afterward he became connected with the South Carolina railroad, and built the first 100 consecutive miles of railway track ever operated; also built High Bridge over Harlem River, New York City, and was first assistant engineer of the Croton aqueduct.