Corwin was born the son of Riley and Estella Kenworthy Hadley on September 17, 1916, in Sioux City, Iowa. He was raised in Oskaloosa, Iowa and Grinnell, Iowa, where he graduated with the Grinnell High School class of 1938. He was united in marriage to Thelma Elizabeth Johnson on August 14, 1938, in Grinnell. To this union were born their children, William, Donna, Steven and Marcia. He farmed much of his life and following his retirement in 1981, he worked for Northrup King as Plant Superintendent until 1991. Corwin was a member of the Honey Creek - New Providence Friends Church and the First Friends Church in Grinnell. He served on several of the church committees, on the church board, and was Presiding Clerk at the Iowa Yearly Meeting. He was also a member of the Farm Bureau, the Lawn Hill Cooperative, the Hardin County Extension Service and was a 4H leader. He was described as one who was mechanically inclined and was an inventor. He would construct model airplanes by shape-carving balsa wood. He enjoyed attending the Drake Relays and once was a competing athlete there in his youth. His hobbies included rollerblading, skiing, aviation, and playing golf. Corwin is survived by his wife of 68 years, Thelma Hadley of Grinnell; his children, William (Monetta) Hadley of Ponca City, Oklahoma, Donna (Byram) Vigars of New Auburn, Wisconsin, Steven (Elaine) Hadley of Spring, Texas, and Marcia (Wally) Hughes of Spring, Texas; 8 grandchildren; and 7 great grandchildren. Corwin was preceded in death by his parents and his sisters, Mildred McDowell and Leona Hadley. Memorials may be directed to Quakerdale or to the Honeycreek - New Providence Friends Church and sent in care of the Smith Funeral Home.