Bruce Michael Alberts (born 1938) is an American biochemist known for his work in science public policy and as an original author of Molecular Biology of the Cell.Alberts, noted particularly for his study of the protein complexes which enable chromosome replication when living cells divide, was Editor-in-Chief of Science magazine and United States Science Envoy to Pakistan and Indonesia. Alberts was the president of the National Academy of Sciences from 1993 to 2005 and a trustee of the Carnegie Corporation of New York.In 2014,he received the National Medal of Science.