From medicine to bacteriophages
Luria received his medical degree at Turin in 1935 and subsequently conducted research in Paris. He reached the United States in 1940, working first at Columbia and later at Indiana and Illinois.
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Statistics and viral genetics
He applied genetic questions and statistical methods to phages and their bacterial hosts. In 1943 Luria and Delbrück published statistical research on bacterial mutation. He also investigated genetic interactions when damaged phages infected the same cell, contributing evidence about gene exchange and viral genetic structure.
A collaborative network and MIT
Luria participated in the phage group’s open exchange of materials and findings with Delbrück, Hershey and others. He joined MIT in 1959 and later became an Institute Professor. The 1969 Nobel Prize recognised discoveries concerning viral replication and genetic structure.