He was the co-founder and, until his death, the director of the Olive W. Garvey Center for the Improvement of Human Functioning (now called the Riordan Clinic[1]).
This approach to patient care is known as orthomolecular medicine and is dismissed by the mainstream medical community.
He received his Bachelor of Science from the University of Wisconsin in 1954 and proceeded with his MD in 1957 specializing in psychiatry.
Completing his formal training with an internship at St. Francis Regional Medical Center led to the establishment of his home in Wichita, KS.
He would later co-found, with Olive W. Garvey, the Center for the Improvement of Human Functioning International, Inc. in Wichita, KS.