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Nature 219, 800-807 (24 August 1968) | doi:10.1038/219800a0

The Molecular Basis of Visual Excitation

GEORGE WALD

  1. Biological Laboratories, Harvard University
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In 1967 Professor Wald, together with Professors H. K. Hartline and R. Granit, received the Nobel Prize for Medicine. The article that follows consists of most of the lecture delivered by Professor Wald last December when he received the prize in Stockholm.