Donald D. Detsch, Psy.D., Ph.D., 69, of Emmaus, died July 31, 2016. Born in Allentown, he was the son of the late Dewey W. Detsch and Jacqueline (Mullin) Detsch Phingstl.

He received his degrees from Temple, University of Miami and St. Louis University. He had an adolescent behavior private practice for 25 years, was an adjunct professor at many secondary schools around the area and was staff behavior specialist at KidsPeace Hospital, retiring in 2005.

He was a member of AARP, Allentown Chapter #5415, where he was on the board and was legislative committee chair; RSVP, Diakon Lutheran Social Services; CARIE, education on Medicare fraud; Cedar Lutheran Church, member, served on the finance and endowment committees; Thrivent Financial for Lutherans, Board and assistant financial director and American Psychological Association Member Emeritus.

He is survived by a half brother, Daniel L. Mullin, of Whitehall, stepmother, Veronica, of Allentown; stepsister, Susan and her husband Thomas Costello, of Allentown; aunt, Dorothy and her husband Jimmy Agrippine, numerous cousins, nieces and nephews.

Contributions may be made in his honor to Cedar Lutheran Church Endowment Fund, 3419 Broadway, Allentown, 18104.

Services are private at the convenience of the family. Arrangements were made by the Falk Funeral Home, Pennsburg.