Mitropoulos, Dimitri. (1896–1960) Signed PhotographSigned Susan Hoeller of New York photograph of the American conductor, pianist and composer of Greek birth, shown in a contemplative pose seated beside an open score. Inscribed to Rev. and Mrs. Robert Gillespie, and signed "Very gratefully, D. Mitropoulos 1944." 8 x 10 inches. A few very light surface creases, some nicks along the right margin, overall a fine example. Mitropoulos "shared the directorship of the New York PO with Stokowski for a season