Offers a biography of Jewish physicist Lise Meitner whose research helped discover how to split an atom. Explores her early life, her education, the obstacles she faced as a woman, the discrimination she faced during Hitler's reign, and how she was overlooked in favor of her male lab partner for the Nobel Prize in physics for the discovery of nuclear fission. Includes black-and-white photographs, a timeline, a glossary of physics terms, and profiles of key scientists.