Word: wald
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Dates: during 1960-1969
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...have worked out a fairly complete map of the mechanics of vision. Last week Stockholm's Royal Caroline Institute, custodian of the Nobel Prize in medicine, jointly awarded the 1967 prize to three of the most important eye cartographers of the present generation: the U.S.'s George Wald and Haldan Keffer Hartline and Sweden's Ragnar Granit...
...research that earned Wald the award began in Germany more than three decades ago, when he discovered Vitamin A in the retina. The retina is the membrane that receives the visual image from the lens and passes it on to the brain through the optic nerve...
...Wald later discovered that the three pigments of vision are all composed of vitamin A linked to a protein. The difference in the pigments, he found, was due to the difference in the proteins. Wald's wife, Ruth Hubbard, discovered that vision depends on the shape of the vitamin A molecule, and that the role of light is to change the shape of the molecule, triggering the vision process. After that, she found, light plays no role in vision...
...years, Wald has also been teaching Nat Sci 5, the University's introductory course in biology. He was chosen last year by Time Magazine as one of the nation's top 10 college teachers...
...hastily called press conference on the top floor of the Biological Laboratories yesterday, Wald said teaching Nat Sci 5 "takes a lot of time, is very distracting, and interferes with my research life, but I try to manage...