Chemistry Nobel laureate Sidney Altman dies at 82

A portrait photo of a white, older man with dark hair dressed in suit and tye. He looks very serious.

Source: © Dibyangshu Sarkar/AFP/Getty Images

Canadian–American molecular biologist won the 1989 prize for discovering RNA’s catalytic ability

Sidney Altman, who shared the 1989 chemistry Nobel prize with Thomas Cech for discovering that RNA is not only a molecule of heredity but also a biocatalyst, passed away on 5 April after a long illness.