Geoffrey Zubay is professor of biology at Columbia University, where he has taught since 1963. He has published numerous articles in his field as well as two textbooks: Principles of Biochemistry (1995), with William W. Parson and Dennis E. Vance, and the First Edition of Origins of Life on the Earth and in the Cosmos (1996). Dr. Zubay received an M.S. degree in physical chemistry from the University of Chicago in 1952 and his Ph.D. degree in physical chemistry from Harvard University in 1957. Dr. Zubay is currently an editorial board member of three scholarly journals, Origins of Life, Chemtracts: Biochemistry and Molecular Biology, and Methods: A Companion to Methods in Enzymology. In 1984, he was awarded the Selman A. Waksman Award for Outstanding Contributions to Microbiology.