[2] Born in Blackfoot, Idaho, Park was raised in Pocatello before moving to Boise in 1943 with his family.

After serving in the United States Army for two years, Park earned a bachelor's degree in political science from the University of Idaho in Moscow and a Juris Doctor from its College of Law.

[3] After graduating from law school in 1963, Park operated a private legal practice in Boise.

[4] Park ran for the open seat in the U.S. Senate in 1972,[5] but lost to Bud Davis in the Democratic primary.

[7][8] After leaving office in January 1975 at age forty, Park resumed private practice in Boise.