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Northrop, John Howard
1891 - Born on the 5th of July in Yonkers, New York.
1915 - He was educated at Columbia University, where he earned his PhD in chemistry.
1929 - He isolated and crystallized the gastric enzyme pepsin and determined that it was a protein.
1938 - He isolated and crystallized the first bacteriophage and determined that it was a nucleoprotein.
1916 - He was employed by the Rockefeller Institute for Medical Research in New York City.
1987 - He died on the 27th of May in Wickenburg, Arizona.
  | Page last updated: 8:46am, 25th May '07 |
