Harrison studied singing in New York City with noted voice teacher Frederick Bristol and organist Leo Kofler.
Kofler had his own, distinctive interpretation of Marxism, which connected sociology and history with aesthetics and anthropology.
Leo Tolstoy | Pope Leo XIII | Leo Gorcey | Leo Burnett | Leo Brouwer | Leo VI the Wise | Leo | Pope Leo X | Leo Durocher | Wadada Leo Smith | Ted Leo | Pope Leo I | Pope Leo IX | Melissa Leo | Leo Carrillo | Ted Leo and the Pharmacists | Leo Castelli | Leo Burnett Worldwide | San Leo | Leo Strauss | Leo Marks | Leo Laporte | Léo Ferré | Leó Szilárd | Leo Slezak | Leo Frobenius | Leo Cárdenas | Pope Leo XII | Leonardo Leo | Leo Fall |