FranÃ§ois Jacob's letter to Matt Meselson about his planned trip to Meselson's lab.
François Jacob talks about how enzyme production was viewed at the time they were beginning their experiments.
François Jacob explains why Jacques Monod chose to work with the lactose system.
FranÃ§ois Jacob talks about molecules thought to be unique to species
Matthew Meselson and Franklin Stahl invented the technique of density gradient centrifugation and used this to prove that DNA is replicated semi-conservatively.
James Darnell studied how chemical signals turn eukaryotic genes on and off.
François Jacob (1953) and Jacques Monod
Genes can be turned on and off.
François Jacob at a Cold Spring Harbor meeting, 1953.
François Jacob, Cold Spring Harbor, 1953 meeting. Source: Cold Spring Harbor Laboratory Archives.