 Humphreys, Andrew Atkinson - Head of the Army Corps of Engineers during the Civil War, A.A. Humphreys was both an influential hydraulic engineer and military commander.Reichel, William Cornelius, Charles Gotthold's grandson, was born in Salem, North Carolina, May 9, 1824.He entered Nazareth Hall in 1834, and attended the Moravian theological seminary from 1839 to 1844.