Daniel Nathans

Daniel Nathans (October 30, 1928 – November 16, 1999) was an American microbiologist. ... Nathans served as President of Johns Hopkins University in Baltimore, Maryland from 1995 to 1996.
Along with Werner Arber and Hamilton Smith, Nathans received the Nobel Prize in Physiology or Medicine in 1978 for the discovery of restriction enzymes. He was also awarded with National Medal of Science in 1993. Continued