Charles R. Koch, a clinical professor of psychiatry at the University of Pennsylvania and associate psychiatrist-in-chief at the Children’s Hospital of Philadelphia for many years, died January 11. He was 82.

Dr. Koch earned a bachelor’s degree from Washington and Jefferson College in 1956 and a medical degree from Penn in 1960.

He joined Penn as a fellow in the division of child psychiatry in 1964 and became an associate professor in 1972. He left in 1995, but returned in 1997 as a clinical associate professor, and held that position until 2005.

He also held positions including director of the child and family mental health component for Hall-Mercer Community Mental Health/Mental Retardation Center in Philadelphia and medical director of the Delaware Guidance Service in Wilmington, Delaware.

Dr. Koch was recognized by Philadelphia magazine as one of Philadelphia’s “Top Docs” in 1973.

He was predeceased by his wife, Betty. He is survived by his sister, Susanna Shearer, and nephew, C. Brandon Shearer.