Tungsten Tungsten Tungsten, or wolfram, is a chemical element with symbol W and atomic number 74. The name "tungsten" comes from the former Swedish name for the tungstate mineral "scheelite", "tung sten" or "heavy stone". Tungsten is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone. It was identified as a new element in 1781 and first isolated as a metal in 1783. Its important ores include wolframite and scheelite. The free element is remarkable for its robustness, especially the fact that it has the highest melting point of all the
Wolfram Saenger Wolfram Saenger Wolfram Saenger (born 1939) is a German biochemist and protein crystallographer. In his research career spanning over 30 years he has worked at the Max Planck Institute for Experimental Medicine, Harvard University (Harvard Medical School) and the Free University of Berlin, where he led the Institute for Crystallography research until his retirement in 2011. A recipient of the Gottfried Wilhelm Leibniz Prize (1987) of the Deutsche Forschungsgemeinschaft, which is the highest honor awarded for achievements in research in Germany, and the Humboldt Prize (1988), he is best known for his research on X-ray crystallography of membrane proteins and