Frances Hamilton Arnold is an internationally recognized American scientist and engineer. She pioneered methods of directed evolution to create useful biological systems, including enzymes, metabolic pathways, genetic regulatory circuits, and organisms. She is the Dick and Barbara Dickinson Professor of Chemical Engineering, Bioengineering, and Biochemistry at the California Institute of Technology, where she studies evolution and its applications in science, medicine, chemicals and energy. She earned her B.S. in Mechanical and Aerospace Engineering from Princeton University in 1979 and her Ph.D. in Chemical Engineering from the University of California, Berkeley. There, she did her postdoctoral work in biophysical chemistry before coming to Caltech in 1986. Her work has been recognized by many awards, including the 2011 Draper Prize and a 2011 National Medal of Technology and Innovation. She was elected to the American Academy of Arts and Sciences in 2011. Arnold has the rare honor of being elected to all three National Academies in the United States - The National Academy of Sciences, The National Academy of Engineering, and the Institute of Medicine. [More at Wikipedia]

July 25th, 1956 in (Age 68)