Alfred Hershey and Martha Chase at Cold Spring Harbor, 1953.
1951 Cold Spring Harbor Symposium, (L-R): E. B. Lewis, C. C. Lindegren, Alfred Hershey and Joshua Lederberg.
In this interview from 1991, Al Hershey describes the experimental approach used in the famous "blender experiment."
Seymour Benzer used genetics to prove that mutations were caused by changes in the DNA sequence.
Alfred Hershey was a phage geneticist who, with his research assistant, Martha Chase, did one of the most famous experiments in molecular biology. The "blender" experiment proved that DNA carried genetic information.
Seymour Benzer in labcoat.
Seymour Benzer with a tube of Drosophila.
Mutations are changes in genetic information.
Calvin Bridges during a stay at Cold Spring Harbor Laboratory, 1937.
François Jacob, Cold Spring Harbor, 1953 meeting. Source: Cold Spring Harbor Laboratory Archives.