Joan Peyser wrote a biography of a French composer who was born in what year?
Joan Peyser Joan Peyser (June 12, 1930 – April 24, 2011) was an American musicologist and writer, particularly known for her writing on 20th-century music and for her biographies of George Gershwin, Pierre Boulez and Leonard Bernstein. Her biography of Bernstein was, according to Leon Botstein, the first attempt at a critical account of his life and work.
Jean Martinon Jean Francisque-Étienne Martinon (usually known simply as Jean Martinon (] ); 10 January 19101 March 1976) was a French conductor and composer.