Robert (Bob) Allen Koonz passed away on Monday, February 1st, 2016, at Evanston Hospital. Bob was born on February, 21, 1941, in Chicago, IL, son of Carl and Gladys Koonz. After graduating from Downers Grove High School, Bob attended Wabash College in Crawfordsville, Indiana. He graduated from Wabash in 1962 and went on to obtain an MS in Chemistry from the University of Illinois, Urbana-Champaign in 1965. Bob remained a loyal alumnus over the years. Bob taught Chemistry/AP Chemistry at New Trier High School for over 30 years. He was a remarkable teacher who was very beloved by his students. He retired from full time teaching in 2003; however, he continued to substitute teach and tutor throughout his retirement.



Bob Koonz is survived by his niece, Katy (Steve) Weihe and his nephew, Nicholas Koonz, both of Atlanta, GA. He was great uncle to Kylie & Ian Weihe and Aya Koonz. Bob's younger brother, Charles, preceded him in death in 2014. Funeral services are private but donations in Bob's name may be made to Wabash College, 301 W Wabash Ave, Crawfordsville, IN. 47933. www.wabash.edu/giving/give or Mercy's Home for Boys and Girls. 1140 W. Jackson Blvd. Chicago, IL, 60607, http://www.mercyhome.org. Info:www.donnellanfuneral.com or (847) 675-1990