Which novel written by Margaret Seymour Carpenter was produced as a film starring Hedy Lamarr?
Margaret Seymour Carpenter: Margaret Seymour Carpenter, born April 3, 1893, died March 30, 1987 at Boston, Massachusetts, was the author of the novel "Experiment Perilous" (Boston: Little Brown & Co., 1943), a New York Times Bestseller in 1943. Margaret Seymour Carpenter:  The novel was subsequently produced by RKO Radio Pictures as a film of the same name, Experiment Perilous, starring Hedy Lamarr, George Brent, and Paul Lukas. Hedy Lamarr: Hedy Lamarr ( ; born Hedwig Eva Maria Kiesler, November 9, 1914 January 19, 2000) was an Austrian and American film actress and inventor.
"Experiment Perilous"