Clinical engineering pioneer David A. Simmons died Oct. 28 at the age of 85 in Virginia, reports the Richmond Times-Dispatch.

Dr. Simmons spent over 50 years in direct patient health care delivery, clinical engineering and management and health care consultation. David possessed three engineering degrees, including a Doctor of Science in Engineering Management from Indiana Northern University. He spent many years in both the Department of Veterans Affairs and the U.S. Public Health Service in Indian Health Service Hospitals.

In 1973, Dr. Simmons became the first Chief, Biomedical Engineer for Veterans Administration’s 168 hospitals. Dr. Simmons was a prolific speaker and writer with dozens of books and publications in many different health care quality subject areas.

Read more in the Richmond Times-Dispatch