Graduate, Humanistisches Gymnasium and Municipal College Music, Mainz, 1925. Bachelor, Whitworth College, 1945. Doctor of Music, Whitworth College, 1986.
Doctor of Music, Boguslawski College Music, 1945. Doctor of Fine Arts, Roosevelt University, 1951.
Founder, director, Spokane (Washington) Conservatory, 1942-1955;
president, Spokane (Washington) Conservatory, 1946-1986. Senior lecturer, adviser to graduate students U. Washington, Seattle, 1961-1964. Lecturer numerous college universities in the United States and Europe.
Chairman First International Webern Festival, Seattle, 1962. Organizer international Webern festivals, Seattle, 1962, Salzburg/Mittersill, 1965, Buffalo, 1966, Dartmouth College, 1968, Vienna, 1972, Baton Rouge, 1978. Founder, director with Rosaleen Moldenhauer, Moldenhauer Archives, Spokane, with branches Northwestern University, Evanston, Ill, Washington State University, Pullman, Bavarian State Library, Munich, Zurich Center Library, Vienna City Library, Paul Sacher Foundation, Basel, Harvard University, Cambridge, Massachusetts, Whitworth College, Spokane, Library of Congress.
Honorary curator of 20th Century Music in Harvard College Library, Harvard University, Cambridge, 1984. Member American Musicological Society (Pacific Northwest chapter chairman 1958-1960), International Webern Society (president 1962-1986). Clubs: American Alpine (life).
Lodges: Rotary (honorary).
Married Mary K. Hockett, September 4, 1982: children by two previous marriages: Trude Ann Moldenhauer Donovan, Myra Ruth Moldenhauer Cathcart, Joseph, Margaret Moldenhauer Hutchingson.