He was born June 2, 1937, in Greensburg, the son of James Eli and Anna L. (Dirks) Koehn. He attended schools in Greensburg and graduated from Greensburg High School. He was a graduate of the Kansas University School of Pharmacy.
Koehn practiced pharmacy at Rankin-Round Corner Drug Store. He later attended Cleveland Chiropractic College, Kansas City, Mo. He opened his own chiropractic practice in Lawrence in 1976 and ran the practice until his death.
He married Rita J. Howland. She survives of the home.
Other survivors include two sons, James A., Billings, Mont., and Daniel S., Lawrence; his mother, Anna L. Koehn, Greensburg; a brother, Arden M., Wichita; and two grandchildren.
The family will receive friends from 7 p.m. to 8:30 p.m. today at the funeral home.
The family suggests memorials to the charity of the donor's choice.
Online condolences may be sent to www.rumsey-yost.com.