Bachelor, University Arizona, 1961. Doctor of Philosophy, University Arizona, 1965.
Assistant professor of history, U. San Diego, 1966-1967; associate professor, U. San Diego, 1967-1971; professor, U. San Diego, 1971-1998; university archivist, U. San Diego, 1992-1998; department chairman, U. San Diego, 1967-1973; graduate dean, U. San Diego, 1973-1991; retired,, 1998. Director several grants related to history preservation and history site archaeology in San Diego area.
Member Gaslamp Quarter Project Area Committee, since 1977, chairman, 1980. Vice president San Diego Science Foundation, 1978-1987, International American Heritage Foundation, since 2000. With United States Army, 1943-1946, United States Army Reserve, 1950-1953.
Member Mexico-American Educators, National Council Public History, Society of America Baseball Researchers, Pacific Coast League Baseball History Society, San Diego Baseball History Society (1st president), Coronado History Society & Museum (board director). Phi Alpha Theta (Zeta Omega chapter).
Married Irma Dolores Montijo, January 28, 1961. Children: Elena María, Elisa Anne, Laura Raquel, Claudia Reneè, Ramón Antonio, Marta Denise, Paula Nicole.