1929 - 2017
Petersburg, IL—Dr. Koelling died at his home in Menard County, Illinois. He is survived by his wife, Charlene, son, Geoffrey, daughter, Jill, nephew, Roger Michael, and niece, Mary Lou Holzauer.
Dr. Koelling received his Bachelor of Science at the University of Illinois, his Master of Science in Botany at the University of Illinois, a Master of Science in Horticulture from The Pennsylvania State University, and his Ph.D. in Botany from the University of Illinois. He taught at the University of Tennessee - Knoxville and Auburn University. He was the Curator of Botany at the Illinois State Museum for 33 years. During this time, he identified plants and mushrooms for the community and curated the herbarium at the museum. Dr. Koelling also served as a long-time member on the Illinois Nature Preserves Commission and helped create nature preserves across the state of Illinois.
Memorials can be made to the Nature Conservancy, the American Lung Association or plant a tree in his memory.
Cremation rites are accorded by Hurley Funeral Home in Petersburg.