Sol Spiegelman

Sol Spiegelman (14 December, 1914 - 20 January, 1983) was an American molecular biologist. He developed the technique of nucleic acid hybridization, which helped to lay the groundwork for advances in recombinant DNA technology.

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Spiegelman was born and educated in New York City, and earned a bachelor's degree in mathematics from the City College of New York in 1939. He began his graduate studies at Columbia University in 1940, looking into cellular physiology. He completed his graduate studies at Washington University (1942-44) in St. Louis where he also lectured in physics and applied mathematics, receiving his doctorate there in 1944. After a year as a U.S. Public Health Service Fellow at the University of Minnesota, he joined the faculty of the University of Illinois and later became a professor of microbiology where he stayed for 20 years.

In 1962, he developed a technique that allowed the detection of specific RNA and DNA molecules in cells. Called nucleic acid hybridization, it was the combination of viral DNA and viral RNA which helped to lay the groundwork for advances in recombinant DNA technology.^[1]

In 1969 he became a professor of human genetics and development at the Columbia University College of Physicians and Surgeons as well as director of the Institute of Cancer Research in 1969. In 1975, he was named University Professor.

He investigated how cells form enzymes, DNA and RNA structures, virology and the molecular basis of cancer. He is credited with an experiment with self reproducing RNA structures called Spiegelman's Monster.

He received the Lasker Award in 1974 for his 1965 work on Qβ RNA. In 1981 he received the Antonio Feltrinelli International prize in Biology for his contributions to molecular biology. He published more than 350 papers.

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