He became director of the Carnegie Institution in 1962 and was awarded the Nobel Prize in Physiology or Medicine in 1969 , shared with Salvador Luria and Max Delbrück for their discovery on the replication of viruses and their genetic structure .
He became director of the Carnegie Institution in 1962 and was awarded the Nobel Prize in Physiology or Medicine in 1969 , shared with Luria and Delbrück for their discovery on the replication of viruses and their genetic structure .