Robert (Bob) M. Diehm, 74, of Lancaster, PA, died on July 10, 2016 at Brethren Village Retirement Community. Born in Lancaster, he was the son of the late Lloyd & Dorothy Diehm. Robert was the husband of 41 years to the late Teri M. Diehm. Bob was a graduate of McCaskey High School and attended Elizabethtown College. He also served in the PA National Guard. He worked as a Programmer/Analyst with UGI, Hamilton Bank, AMP & Tyco. During his retirement, Bob worked at the Manheim Auto Auction and was very active in the local Meals on Wheels Program. He was an avid bowler, golfer and loved spending time with his family. Surviving are two children: Scott Diehm, husband of Brandy and Staci Flick, wife of Steven; five grandchildren; and a brother, Richard Diehm, husband of Mary. A Funeral Service will be held at 11 AM on Friday, July 15, 2016 at the Charles F. Snyder Funeral Home & Crematory, 3110 Lititz Pike, Lititz PA 17543. Robert will be laid to rest beside his wife Teri at Conestoga Memorial Park. In lieu of flowers, contributions may be made to The Childrens' Miracle Network, 4525 South 2300 East, Salt Lake City, Utah 84117.