Keith Carl Hamilton

Keith (KC) Carl Hamilton passed away on March 26, 2023 after a brief illness. He was 94 years old. He is survived by his loving wife Pat of 70 years, 3 sons (Bill/ Sylvia, Kim, Patrick/Monica), 8 grandchildren (Crystal, Joel/Emily, Nicole/Adam, Paul/Anna Mae, Lisa/Greg, Sarah/Kevin, Tim/Rebecca, Kristin) and 6 great grandchildren (Miles, Bode, Theo, Jones, Lyla, Ruthie). He was preceded in death by his parents (Vern and Gladys), sister (Ginger) and brother-in-law (Bill). Keith grew up in Fox Lake, WI. After a stint in the Navy Air Force during WWII, he received his Bachelors, Masters, and Doctorate of Philosophy from the University of Wisconsin. Keith taught Plant Sciences for 36 years at the University of Arizona in the College of Agriculture; he conducted pioneering weed science research, resulting in over 300 scientific publications. He was a Fellow and President of the Western Society of Weed Science. He was an avid outdoorsman, an expert hunter/fisherman, and a keen windsurfer. Pat and Keith spent many weekends in the White Mountains. He loved the Santa Catalina mountains and hiked nearly every trail with his wife and sons. He also adored squirrels, so whenever you see a squirrel, think of Keith. There are no services planned at Keith's request. You may make a donation to the Cooper Center for Environmental Learning, or a charity of your choice in his honor as an alternative to flowers.