From the 19 February 1970 Dispatch:

Lewis J. Stone

Lewis J. Stone, 24, son of Dr. and Mrs. Alex B. Stone, 3223 29th Ave. Ct., Rock Island, died last night [18 February 1970] in Tucson, Ariz.
Services tentatively are set for 3 tomorrow afternoon in Hodgson Funeral Home, with burial in Mt. Nebo Cemetery, Davenport.
Surviving are the widow, Nannette; his parents, and a sister, Ann Stone in Rock Island.