R.M. “Jack” Siler, 89, of Sheridan, WY, passed away at his residence on Wednesday, January 6, 2016 after a short illness. He was born on February 11, 1926, in Moore, Oklahoma, to parents Earl Maynard and Jonny Lula (Routon) Siler. He married Geraldine Terry in July, 1945 in Oklahoma. They moved to Powell, Wyoming where Jack worked for an oil company.