1906 - Born 18th of November in New York City.
1927 - He received the degree of Bachelor of Science from Washington Square College of New York University.
1932 - Graduated work in zoology at Columbia University, from which he received the Ph.D.
- He was awarded a National Research Council Fellowship in Biology.
1934 - He came back to Harvard University as a tutor in Biochemical Sciences.
1935 - Became Faculty Instructor of Biochemical Sciences in Harvard University.
1944 - Became the Professor of Biology in Harvard University.
1950 - He was elected to the National Academy of Science.
1966 - He was awarded the Ives Medal of the Optical Society of America.
1967 - He was awarded the Nobel Prize for Physiology or Medicine for his discoveries in vision.
- He was awarded the T. Duckett Jones Memorial Award from the Whitney Foundation.
1980 - Served as part of f Ramsey's Clark delegation to Iran during the Iran hostage crisis.
1997 - Died at the age of 91 on the 12th of April in Cambridge, Massachusetts.
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