William (Bill) Toole Curless, 90, died Nov. 2, 2018, in Sun City West, Ariz.He was born in Quincy on March 11, 1928, and lived in Quincy most of his childhood. He graduated from Quincy Senior High School in 1945. He received a BS from the University of Illinois and an MS from the University of Kansas. Both degrees were in chemistry.William worked as a research chemist for a number of major companies, including Victor Chemical Works, PPG Industries, Spencer Chemical, Gulf Oil Corp. and Farmland Industries. Most of his adult life was spent in Overland Park, Kan.His parents, who predeceased him, were John C. and Florence E. (Toole) Curless of Quincy. He was married to Fern Eileen Watts from 1955 to 1975.William is survived by his sister, Juanita Curless of Florida. He is also survived by three sons, Douglas W. Curless (Cathy Goodwin) of Arizona, Jay A. Curless of Arizona, and Craig E. Curless (Kathleen) of Maryland. He is also survived by four grandchildren, Eric Curless (Karran) of Arizona, Renae Curless of Pennsylvania, Brian Curless of Arizona, and Dr. Kim Goodwin (Aaron Brennan) of California; and four great-grandchildren, Andrew Joseph (A.J.) and Reilly Mac Girvin-Curless, both of Arizona, and Olivia and Chase Brennan, both of California.