Leon Dallin was an American music theorist and professor of music at Brigham Young University and California State University, Long Beach. He is known for his primary work, Techniques of Twentieth Century Composition: A Guide to the Materials of Modern Music.
Born in 1918, he received his bachelor’s and master’s degrees in music from the Eastman School of Music and his PhD from the University of California, Berkeley.
He was a member of The Church of Jesus Christ of Latter-day Saints. He died in 1993.