ザルツブルク・モーツァルテウム大学
Born in Chicago, Beattie studied vocal performance at Colorado College (B.A., 1948), Westminster Choir College (M.M., 1950), and the Mozarteum University of Salzburg (1955). He also studied voice at the American Conservatory of Music in Chicago with John Wilcox and privately with Dick Marzolo in New York and Josef Krips in Buffalo.