Cecilia Hansen, Violin American Debut Encore information entered from the New York Times review (Oct. 22, 1923, pg. 16). According to the review, present in the audience were composer/pianists Alexander Siloti and Leopold Godowsky, and violinists Sam Franko, Leopold Auer (Hansen's teacher), and Toscha Seidel. solo recital 1923-10-21T15:00:00