A psychiatrist at Woodlawn Hospital in Dallas, Beavers was at Parkland Memorial Hospital when the assassination took place. Later, following the Jack Ruby trial, Beavers was hired by the Ruby family to conduct a psychiatric evaluation of Ruby. Beavers spent eleven hours with Ruby and was present for his polygraph test. Recorded May 8, 2013.
Dr. Beavers passed away on October 24, 2019.