Albert J. Derr, 84 Died peacefully Friday at his home in Lansdale, PA.

Born in Philadelphia, he was the son of the late Albert E. and Mary A. (nee Feely) Derr. Mr. Derr was preceded in death by his wife Mary R. (nee McCusker) Derr in 1980.

He was a graduate of North Catholic High School class of 1943, Villanova University class of 46 and received his MBA from Binghamton University in 1968.

Mr. Derr had a lifelong passion for photography, railroads, Bridge, and Pipe Organs. He worked at ANSCO/GAF & the Franklin Institute, including photographic projects for NASA during the Gemini and Apollo missions. His true love was trains and served as Project/Property Manager for SEPTA, Vice President of Philadelphia Belt Line Railway, and President of both Anthracite Railway and Octoraro Railway prior to his retirement in 1991.

Mr. Derr was a member of National Railway Historical Society, Theatre Organ Society of the Delaware Valley, Friends of the Wanamaker Organ, ARRL (Ham Radio), MENSA, and a ACBL Bridge Life Master.

He is survived by his children Rosemarie Derr and Albert J. Derr both of Lansdale, his sister Dolores O'Reilly of Philadelphia and his Niece and Nephew Judy O'Reilly & Terry O'Reilly

Relatives and Friends may call Thursday July 22, 2010 from 10: 30 to 11:30 AM at St. Rose of Lima Church, 424 S. Main St. North Wales with a Funeral Mass at 11:30 AM. Interment will be in Holy Sepulchre Cemetery, Cheltenham.

Remembrances in his name to Theatre Organ Society of the Delaware Valley, www.TOSDV.org or Friends of the Wanamaker Organ www.Wanamakerorgan.com would be appreciated by the family.