Rev. Dr. C. Peter Slater (1934 - 2026) Lynne, Ruth and Claire Slater are deeply saddened to announce the death of our father, Peter Slater, on Thursday, April 9, 2026. He died peacefully, with his daughters at his side. Predeceased by his wife, Rev. Dr. Joanne McWilliam (2008); and his brother, Dr....