Ganz, Rudolph. (1877-1972) Signed PhotographBold signature and inscription ("To Mrs. Henshaw in deep admiration of her great art in flower photography") beside a mounted original portrait photograph of the Swiss American pianist, conductor, musical pedagogue and promoter of modern European music in America, dedicatee of works by Ravel and Schoenberg. In very fine condition, from an album compiled by Julia Wilmotte Henshaw (1869 1937), English Canadian botanist and journalist. 25 x 33 cm.