SINGER, Maxine. American, b. 1931. Genres: Sciences, Biology. Career: Biochemist and geneticist. US Public Health Service, National Institute for Arthritis, Metabolism and Digestive Diseases, National Institutes of Health, Bethesda, MD, research fellow, 1956-58, research chemist, 1958-72, chief of Nucleic Acid Enzymology Division of Cancer Biology and Diagnosis, 1974- 80, chief of Division of Cancer Biology and Diagnosis's Laboratory of Biochemistry, 1980-88, scientist emeritus 1988-; Carnegie Institution, Washington DC, president, 1988-. Weizman Institute of Science, Rehovot, Israel, Department of Genetics, visiting scientist, c. 1970; University of California, Berkeley, CA, instructor, 1981. Publications: (with P. Berg) Genes and Genomes: A Changing Perspective, 1990; (with Berg) Dealing with Genes: The Language of Heredity, 1992; Exploring Genetic Mechanisms, 1997; (with R.M. Hazen) Why Aren't Black Holes Black?: The Unanswered Questions at the Frontiers of Space, 1997. Contributor to scientific journals and periodicals. Address: Carnegie Institution Washington, 1530 P St NW, Washington, DC 20005, U.S.A.