Joshua Lederberg's baby picture.
Joshua Lederberg discovered bacterial recombination and started a new field of research.
Bacteria and viruses have DNA too.
Joshua Lederberg using a microtome to cut tissue sections, 1941.
Joshua Lederberg in his office at the Rockefeller Institute, 1999.
Lederberg at work in lab at the University of Wisconsin, 1958.
Describing Ed Tatum as a scientist, advisor, and friend.
Expectations on whether the Neurospora experiments would work and what results they might show.
The Nobel moment: how he was informed that he had won the Nobel prize.
The attributes of great scientists.