Sidney Altman

Sidney Altman (May 7, 1939 – April 5, 2022) was a Canadian-American molecular biologist, who was the Sterling Professor of Molecular, Cellular, and Developmental Biology and Chemistry at Yale University. In 1989, he shared the Nobel Prize in Chemistry with Thomas R. Cech for their work on the catalytic properties of RNA.

Family and education Altman was born on May 7, 1939, in Montreal, Quebec, Canada. His parents, Ray (Arlin), a textile worker, and Victor Altman, a grocer, were Jewish immigrants to Canada, each coming from Eastern Europe as a young adult, in the 1920s. Altman's mother was from Białystok in Poland, and had come to Canada with her sister at the age of eighteen, learning English and working in a textile factory to earn money to bring the rest of their family to Quebec. Altman's father, born in Ukraine, had been a worker on a collective farm in the Soviet Union. He was sponsored to come to Canada as a farm worker, but later, as a husband and a father of two sons, he supported the family by running a small grocery store in Montreal.

As Altman reached adulthood, the family's financial situation had become secure enough that he was able to pursue a college education. He went to the United States to study physics at the Massachusetts Institute of Technology. While at MIT, he was a member of the ice hockey team.

Altman was married to Ann M. Körner (daughter of Stephan Körner) in 1972. They are the parents of two children, Daniel and Leah.

Career After receiving his Ph.D., Altman embarked upon the first of two research fellowships. He joined Matthew Meselson's laboratory at Harvard University to study a DNA endonuclease involved in the replication and recombination of T4 DNA. Later, at the MRC Laboratory of Molecular Biology in Cambridge, England, Altman started the work that led to the discovery of RNase P and the enzymatic properties of the RNA subunit of that ribozyme. John D. Smith, as well as several postdoctoral colleagues, provided Altman with very good advice that enabled him to test his ideas. "The discovery of the first radiochemically pure precursor to a tRNA molecule enabled me to get a job as an assistant professor at Yale University in 1971, a difficult time to get any job at all". and a member of both the National Academy of Sciences and the American Philosophical Society in 1990.

Death Altman died on April 5, 2022, in Rockleigh, New Jersey, after a long illness.