Born on May 2, 1934, in Wheelersburg, Ohio, Rapp received a bachelor’s degree from Southwest Missouri University with graduate studies in mathematics and statistics at the University of Missouri, the University of Minnesota and the University of Arizona. He received a Juris Doctor degree from the University of Tulsa and a Master of Laws degree from the University of Virginia. From 1953 to 1955, Rapp completed two carrier tours of duty in the Korean and far eastern waters as an aerial navigator and electronics warfare operator with the VC-35. He retired from the Naval Reserves as a Judge Advocate General Corps commander. Prior to attending law school, Rapp was an aerospace engineer specializing in inertial guidance and navigation systems. He worked on every major U.S. space program including Mercury, Gemini, Apollo, and SkyLab. He also worked on Bomarc, the first operational surface-to-air missile. He attended law school while working as an engineer. Following his graduation from the University of Tulsa School of Law, Rapp worked as public defender and city prosecutor in Broken Arrow, as a municipal judge in Bixby, as an alternative municipal judge for the City of Tulsa, and as judge of the District 14 Court. He was appointed as judge to the Oklahoma Court of Civil Appeals in 1984, and has served as the court’s presiding judge, vice chief judge, and chief judge. Rapp served as a instructor of Sino Soviet Relations and Atomic and Biological Warfare in the Naval Reserves Officers’ School, and as an business law instructor at Tulsa Junior College. He also served as Tulsa Junior College regent. While working in private law practice, Rapp was a certified lawyer for the General Electric Corporation, providing extensive work in the formation and operation of banks, finance companies and insurance companies. He served as counsel and director of banks and as director of two national insurance companies. Rapp is a member of the Oklahoma and Tulsa County bar associations. He married the former Mary Lynn Clanton. They have three children, Elizabeth, Kathy and Joseph.