Jakub Karol Parnas

Jakub Karol Parnas, also known as Yakov Oskarovich Parnas (Russian: Яков Оскарович Парнас; January 16, 1884 – January 29, 1949) was a prominent Polish–Soviet biochemist who contributed to the discovery of the Embden–Meyerhof–Parnas pathway, together with Otto Fritz Meyerhof and Gustav Embden. He became a Soviet activist after the annexation of Western Ukraine in 1939. He was arrested during the Jewish Anti-Fascist Committee affair in 1949 and died in the prison, reportedly of heart attack.