Gray, Donald Patterson B. Sc, M. Sc, D.V.M. Retired director Animal Disease Research Institute, Agriculture Canada and retired from large animal veterinary practice, Vankleek Hill. At Lanark Lodge, Perth on Wednesday, September 4th, 2013 at the age of 87 years. Donald was predeceased by his beloved parents Velma (Patterson) and Alexander Gray, his dear uncles Harold and Ernest Patterson. He was the cherished husband of Valerie Stephenson-Gray. Loved stepfather of Peter (Heather) Graves and Rhonda (Douglas) Wilson; great stepfather of Stephen, Matthew, Zachary, Emily, Valerie and Fiona. Friends may pay their respects at the Blair & Son Funeral Home, 15 Gore St. W., Perth on Friday, September 6th, 2013 from 10:00 A.M. A sharing of memories will be held at 11:00 A.M. followed by a reception in the Blair & Son Family Centre. A private interment will be held in South Gower Cemetery. In remembrance, contributions Alzheimer Society of Lanark County (for research purposes) would be appreciated. With Much appreciation for the love and kindness shown by the staff at Lanark Lodge during the past several years.