Sir Walter Norman Haworth FRS was a British chemist best known for his groundbreaking work on ascorbic acid while working at the University of Birmingham. He received the 1937 Nobel Prize in Chemistry "for his investigations on carbohydrates and vitamin C". The prize was shared with Swiss chemist Paul Karrer for his work on other vitamins. The Nobel Prize in Chemistry 1937, announced November 11, 1937. Norman Haworth (1/2), “for his investigations on carbohydrates and vitamin C”. Paul Karrer (1/2), “for his investigations on carotenoids, flavins and vitamins A and B2”. Norman Haworth: born 1883, Chorley, United Kingdom. Paul Karrer: born 1889, Moscow, Russia. Wiki link Wiki link Data: the Nobel Foundation (CC0).