Memorials may be made to the Alzheimer's Association. Arthur Krohn, of O'Fallon, Missouri, died on Tuesday, August 25, 2009 at the age of 85. Loving husband of Katy M. Krohn; dear son of the late Arthur G. and Evelyn Krohn; devoted father of Arthur J. (Stefanie) Krohn Jr.and Donna (Bill) Eickmeier; cherished grandfather of Kristina, Jenn, Alli, Tyler, Travis James, Amanda, and Travis and great-grandfather of Parker. Arthur was a violinist with the St. Louis Symphony for over 40 years and served in the Navy during World War II. He enjoyed bible study, bowling, crossword puzzles, watching baseball games, fishing and working out at the YMCA.