Calvin, Melvin (1911-97) American biochemist noted for his investigations of the DARK REACTIONS of photosynthesis (using radioactive carbon). He was awarded the 1951 Nobel Prize for Chemistry.

• 卡尔文：美国生物化学家，他使用放射性的碳原子发现了在光合作用中的暗反应。1951年他被授予诺贝尔化学奖。