Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Fortunate, a disciple of Corinth who visited Paul at Ephesus, and returned with Stephanas and Achaicus, the bearers of the apostle's first letter to the Corinthians (1 Cor. 16:17
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.