Conrad Sweynheym (kôn´rät svīn´hīm), fl. 15th cent., early printer. Originally from near Mainz, Germany, Sweynheym with Arnold Pannartz established (c.1464) in the monastery of Subiaco the first known printing press in Italy. Sweynheym and Pannartz first used Greek type there in 1465. They moved to Rome in 1467.