Leonard Herzenberg
Leonard Arthur "Len" Herzenberg (November 5, 1931 – October 27, 2013) was an immunologist, geneticist and professor at Stanford University. His contributions to the development of cell biology made it possible to sort viable cells by their specific properties. Education. Herzenberg was born in New York City, U.S.A. He received his bachelor's degree in 1952 from Brooklyn College in biology and chemistry. In 1955, he received his Ph.D. from California Institute of Technology in biochemistry with a specialization in immunology for studies on cytochrome in Neurospora. Career. After school he was a postdoctoral fellow at the American Cancer  Society, working in France at the Pasteur Institute. He returned to the United States in 1957 and worked for the National Institutes of Health as an officer in the Public Health Service department. He started working at Stanford in 1959. He eventually earned the title Professor of Genetics. In 1970 Herzenberg developed the fluorescence-activated cell sorter (FACS) which revolutionized immunology and cancer biology, and is the basis for purification of adult stem cells. Personal life. Herzenberg and his wife, Leonore Herzenberg, ran the Herzenberg Laboratory at Stanford together until his death. Their daughter, Jana Herzen, is a singer-songwriter  and the founder of Motéma Music. He died on October 27, 2013, aged 81. Awards and honours. Herzenberg received a range of honours and awards during his life including: