Hans L. Paeffgen, PhD On Tuesday, November 1, 2011, of Upper Marlboro, MD. Loving father of Matthew Paeffgen and his wife Elise and Andrew Paeffgen. A Memorial Mass will be celebrated at St. Mary's of the Assumption Catholic Church, 14908 Main Street,Upper Marlboro,MD 20772 on Friday, November 11, 2011 at 6:00pm. In lieu of flowers, memorial contributions may be made to Discalced Carmelite Nuns of Maryland, Inc., 5678 Mt. Carmel Road, La Plata, Maryland 20646-3625.