PRESS PHOTOS BY C. RICHARD CHARTRANDThe Rev. Manfred (Mardy) von Harten and his wife Peggy are retiring after 19 years at Calvary Baptist Church, 4601 Tilghman St., Allentown. von Harten is also celebrating 50 years in the ministry. von Harten was scheduled to leave at the end of April but because of COVID-19, he stayed on.