A Century of DNA: A History of the Discovery of the Structure and Function of the Genetic Substance (MIT Press)

Franklin H. Portugal served on the scientific staff of the National Institutes of Health (NIH) and was a professor at the University of Maryland University College. He is currently Clinical Associate Professor of Biology and Director of the M.S. in Biotechnology Program at The Catholic University of America in Washington, D.C.  He worked in Nirenberg's lab from 1967 to 1970. 

Jack S. Cohen did his PhD in Cambridge with Lord Todd and then also worked at the NIH for 22 years, becoming a Section Head in the National Cancer Institute. He was then a Professor of Pharmacology at Georgetown University for 5 years and then was Chief Scientist at the Sheba Medical Center, Tel Hashomer, Israel. On retirement he was a Visiting Professor at Hebrew Univ. Jerusalem and Ben Gurion Univ., Beer Sheva, Israel.

Their 1979 book, A Century of DNA (MIT Press) remains in print today.