The married father of three was a trauma surgeon at the Hospital of the University of Pennsylvania. He was serving his second tour of duty with the Army reserves as a combat medic.
Pryor's brother tells the Philadelphia Inquirer that John had designated a community church in Moorestown for his own funeral before deploying.
Response to Pryor's death has been so enormous that Monday's funeral has been moved to a cathedral that is the seat of the Philadelphia Archdiocese.