CARLOS MUNOZ-YAGUE / EURELIOS / SCIENCE PHOTO LIBRARY CARLOS MUNOZ-YAGUE / EURELIOS / SCIENCE PHOTO LIBRARY
Christian de Duve. Portrait of the Belgian biochemist and Nobel prizewinner for Medicine, Christian de Duve. Born in 1917, de Duve's early work was in determining haemoglobin and myoglobin concentration in muscle, and on the regulation of blood sugar. Later he experimented with cell organelle separation by centrifugation. De Duve fortuitously discovered lysosomes, the small cell organelles that hold digestive enzymes, during another experiment. For his discoveries on cell structure and biochemistry he shared the Nobel Prize for Medicine in 1974 with Albert Claude and George Emil Palade. Photographed in 1997.
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