He graduated from the Oslo Music Conservatory (1938–39) and Accademia Musicale Chigiana (1947).
Accademia delle Arti del Disegno | Accademia di Belle Arti | Accademia di San Luca | Accademia Nazionale di Santa Cecilia | Accademia dei Lincei | Accademia Musicale Chigiana | Accademia degli Incamminati | Accademia Nazionale di Arte Drammatica Silvio D'Amico | Accademia di Belle Arti di Venezia | Accademia di Belle Arti di Roma | Accademia di Belle Arti di Firenze | Orchestra dell'Accademia Nazionale di Santa Cecilia | Gallerie dell'Accademia | ''Accademia e Compagnia delle Arti del Disegno'' | Accademia Albertina | Répertoire International de Littérature Musicale | Ponte dell'Accademia | Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna | Accademia Vivarium Novum | Accademia Italiana Thailand | Accademia Filarmonica Romana | Accademia di Cervo | Accademia di Belle Arti di Napoli |
In addition to his position at the Conservatoire de Paris, Navarra taught summer courses at the Accademia Musicale Chigiana Siena from 1954, fall courses in Saint-Jean-de-Luz and accepted an additional professorship at the Hochschule für Musik Detmold in 1958.
Pollack continued his graduate studies at the Hochschule für Musik in Vienna under a Fulbright scholarship with Bruno Seidlhofer, at the Accademia Musicale Chigiana in Siena, Italy with Guido Agosti, and was selected as one of 12 pianists internationally to participate in a special Beethoven Master Class with the late Wilhelm Kempff in Positano, Italy.
He went on to receive his B.A. in music from Vassar College, and did further study at the Accademia Musicale Chigiana (with Xenakis and Donatoni), Westminster Choir College, and The Juilliard School, as well as numerous professional workshops with ASCAP, The American Music Center, and Carnegie Hall (including contemporary conducting techniques with Boulez).