Robert L. Kerner, Sr., 78, of Warren, PA, died Thursday afternoon, August 23, 2012 at the John and Orpha Blair Hospice Home. He was born November 7, 1933 in St. Mary's, PA to the late Leo and Caroline DeGroat Kerner. Bob was a resident of Warren since 1963 and formerly of Ridgway, PA. He was a 1952 graduate of St. Leo's Catholic High School. He was employed as a draftsman with the former Elliott Company of Ridgway, PA and retired after 40 years employment from the former National Forge Company.