Italian-US microbiologist Salvador Edward Luria (left,1912-1991) and US geneticist Lewis John Stadler (right,1896-1954). Luria,who fled to the US from Mussolini's Italy,shared the 1969 Nobel Prize in Physiology or Medicine for his work on viral genetics,especially bacterial resistance to bacteriophages. Stadler studied radiation-induced mutations in maize and barley. Photographed in 1941,during the Ninth Symposium on Quantitative Biology (Genes and Chromosome Structure,18 June to 2 July) at the Carnegie Institution Department of Genetics (later Cold Spring Harbor Laboratory),New York,USA |