A scientist is in a sense a learned small boy. There is something of the scientist in every small boy. Others must outgrow it. Scientists can stay that way all their lives.

He won a share of the 1967 Nobel Prize in Physiology or Medicine with Haldan Keffer Hartline and Ragnar Granit. In 1934 Wald went to Harvard University where he became an instructor then a professor. Wald then went on to work in Zurich Switzerland with the discoverer of vitamin A Paul Karrer.

George Wald (November 18 1906 – April 12 1997) was an American scientist who is best known for his work with pigments in the retina. He won a share of the 1967 Nobel Prize in Physiology or Medicine with Haldan Keffer Hartline and Ragnar Granit.