Frances Hamilton Arnold is an American chemical engineer and Nobel Laureate. She is the Linus Pauling Professor of Chemical Engineering, Bioengineering and Biochemistry at the California Institute of Technology (Caltech). In 2018, she was awarded the Nobel Prize in Chemistry for pioneering the use of directed evolution to engineer enzymes. The Nobel Prize in Chemistry 2018, announced October 3, 2018. Frances H. Arnold (1/2), “for the directed evolution of enzymes”. George P. Smith (1/4), “for the phage display of peptides and antibodies”. Sir Gregory P. Winter (1/4), “for the phage display of peptides and antibodies”. Frances H. Arnold: born 1956, Pittsburgh, PA, USA. George P. Smith: born 1941, Norwalk, CT, USA. Sir Gregory P. Winter: born 1951, Leicester, United Kingdom. Wiki link Wiki link Wiki link Data: the Nobel Foundation (CC0).