Photograph of Karl Morgan Block
Karl Morgan Block (September 27, 1886 – September 20, 1958) was the fourth bishop of the Episcopal Diocese of California. Following education at George Washington University and Virginia Theological Seminary he was ordained to the diaconate and priesthood in 1910. He served as chaplain at Woodberry Forest School, and then rector of Grace Church, Haddonfield, New Jersey; All Saints Church, Norristown, Pennsylvania; St John's Church, Roanoke, Virginia; and St. Michael and St. George's Church, St. Louis, Missouri. He was consecrated as coadjutor bishop of California by Edward Lambe Parsons, Benjamin Dunlap Dagwell on September 29, 1938.