[1] He went on to earn his performer's certificate at the Eastman School of Music (where he studied with Rufus Mont Arey) as well as bachelor's (1942) and master's (1943) degrees in composition.
[1][2] His composition teachers included Edward Royce, Bernard Rogers, Nadia Boulanger and Halsey Stevens.
[1][2] In 1960 Weisgarber joined the faculty of the Music Department at the University of British Columbia in Vancouver, Canada where he spent the remainder of his life and career.
[1] From 1966 to 1969 he was the recipient of several Canada Council grants for the purpose of studying Japanese music in Japan where he became proficient in playing the shakuhachi.
[1] Weisgarber's catalog of compositions consists of 450 separate works from short songs to symphonies, as well as a number of scores for film, radio and television.