Leslie Julius Harris

Last updated
Leslie Julius Harris
Born1898
Died1973
Alma mater Manchester University
SpouseRosie Snowman
Children2
AwardsChemical Society Medola medal (1925); Fellow of the Royal Institute of Chemistry
Scientific career
Doctoral advisor Frederick Gowland Hopkins

Leslie Julius Harris (1898-1973) was a British biochemist and nutritionist. [1] [2] [3] He was Director of the Dunn Nutritional Laboratory (now the MRC Mitochondrial Biology Unit) in Cambridge, UK, from its foundation in 1927 until his retirement in 1963. He was instrumental in setting up the (British) Nutrition Society, and the International Union of Nutrition Societies. His research focused primarily on vitamins, including developing the saturation test for assessing vitamin C levels in a urine sample, [4] and showing that vitamins A and D are harmful in excess. [5]

Contents

Education and early life

Harris was born in Liverpool, the second son of pacifist rabbi John Solomon Harris. He was educated at Liverpool College and Manchester University where he studied science.

Career and research

Harris was a research student under Cambridge biochemist Frederick Gowland Hopkins. His Ph.D thesis (1923) was Titration of amino- and carboxyl- groups in amino-acids. In 1927 Harris was chosen as Director of the newly founded Dunn Nutritional Laboratory, a joint undertaking of the University of Cambridge and the Medical research council. [1] His work at the Dunn concentrated on studies of the effects of deficiency and excess of vitamins A, B, C, and D in animals and humans, and the effects of preserving food on its dietary value. Harris’ research included the saturation test for assessing vitamin C levels in urine samples; [4] [6] [7] showing that vitamins A and D are harmful in excess; [5] and characterizing B complex vitamins in collaboration with Egon Kodicek, his successor as Unit director. [8] He authored several books on vitamins, including the popular Vitamins in Theory and Practice. [9]

During and after World War II, Harris advised the British government on nutrition, directing work in methods of preserving foods without loss of vitamins, and ensuring that rations supplied adequate vitamin levels. [2] [7]

In 1941 he was one of the founder members of the Nutrition Society of which he served as the first secretary, and later president. [3] In 1946 he helped to set up the International Union of Nutrition Societies, of which he was secretary-general from 1946 to 1960.

Personal life

In 1927 he married Rosie Snowman, daughter of Jacob Snowman. They had two sons: Michael Harris (born 1929), a medical doctor, and John Harris (born 1932), a physicist.

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References

  1. 1 2 Paul, Alison A. (1987). "60 years of research at the Dunn Nutrition Unit". Nutrition Bulletin. 12 (2): 116–121. doi:10.1111/j.1467-3010.1987.tb00029.x. ISSN   1467-3010.
  2. 1 2 British Medical Journal Publishing Group (1973-07-07). "Obituary Notices". Br Med J. 3 (5870): 54–55. doi:10.1136/bmj.3.5870.54. ISSN   0007-1447. PMID   4577723. S2CID   220198667.
  3. 1 2 "Dr Leslie Julius Harris | The Nutrition Society". www.nutritionsociety.org. Retrieved 2020-09-27.
  4. 1 2 Harris, Leslie J; Ray, S. N. (1935-01-12). "Diagnosis of Vitamin-C Subnutrition by Urine Analysis". The Lancet. 225 (5811): 71–77. doi:10.1016/S0140-6736(01)29147-8. ISSN   0140-6736.
  5. 1 2 Harris, Leslie J; Moore, Thomas (1928-10-27). "" Hypervitaminosis " and " Vitamin Balance."". The Lancet. Originally published as Volume 2, Issue 5487. 212 (5487): 892–893. doi:10.1016/S0140-6736(00)43521-X. ISSN   0140-6736.
  6. Harris, Leslie J; Abbasy, M. A. (1937-12-18). "Nutrition Surveys a Simplified Procedure for the Vitamin-C Urine Test". The Lancet. 230 (5964): 1429. doi:10.1016/S0140-6736(00)91891-9. ISSN   0140-6736.
  7. 1 2 Harris, Leslie J (1942-05-30). "Vitamin-C Levels of School-Children and Students in War-Time". The Lancet. 239 (6196): 642–644. doi:10.1016/S0140-6736(00)70177-2. ISSN   0140-6736.
  8. Harris, L. J.; Kodicek, E. (June 1946). "The Vitamin B Complex: Introductory Survey". Proceedings of the Nutrition Society. 4 (2): 81–92. doi: 10.1079/PNS19460021 . ISSN   1475-2719. PMID   20988395.
  9. Harris, Leslie J. (January 1937). VITAMINS IN THEORY & PRACTICE. Cambridge.