Detlev Bronk

Detlev Bronk

Bronk in 1963
Born Detlev Wulf Bronk
(1897-08-13)August 13, 1897[1]
New York City[1]
Died November 17, 1975(1975-11-17) (aged 78)[1]
New York City[1]
Fields Scientist
Institutions Johns Hopkins University[2]
National Academy of Sciences[3]
National Science Board[4]
University of Pennsylvania[5]
Rockefeller University[1]
World Academy of Art and Science[6]
Alma mater Swarthmore College[1]
University of Michigan[1]
Notable awards Franklin Medal (1961)[7]
Presidential Medal of Freedom (1964)[1]
Public Welfare Medal (1964)
National Medal of Science (1968)[8]
Fellow of the Royal Society[9]

Detlev Wulf Bronk (August 13, 1897 – November 17, 1975) was a prominent American scientist, educator, and administrator. He is credited with establishing biophysics as a recognized discipline. Bronk served as President of Johns Hopkins University from 1949 to 1953 and as President of The Rockefeller University from 1953 to 1968. Bronk also held the presidency of the National Academy of Sciences between 1950 and 1962.[9][10][11][12][13][14][15]

Bronk was a descendent of Jonas Bronck, an early settler to New Netherland from whose name The Bronx is derived.[16] Bronk graduated from Swarthmore with a B.S. in electrical engineering, where he was a member of Phi Kappa Psi Fraternity.[17] In September 1921 Bronk married Helen Alexander Ramsey, who had been a fellow student at Swarthmore. Turning to physics, he received an M.S. in 1922 from the University of Michigan. By 1924 he was intent on applying physics and mathematics to physiology, receiving a Ph.D. in 1926 from the University of Michigan.


When Bronk was offered the presidency of Johns Hopkins University in 1948, he accepted the position on the condition that Hopkins strengthen its program in biophysics. Hopkins did just that, building Jenkins Hall in 1950 specifically to house Biophysics and adding faculty and research facilities. Bronk believed the nation’s universities had a responsibility to prepare students to improve the world, regardless of their academic curriculum. He also recognized that, during World War II, the Hopkins faculty had spent most of their time performing defense-related research, and now it was time to rejuvenate the idea of research for the sake of learning and discovery. He frequently spoke on “breadth in education,” “fostering curiosity,” and “a university is a community of scholars.”[18]

In addition to guiding Hopkins through its post-war “demobilization,” Bronk believed strongly in maintaining his own presence in the scientific community. He presided over the National Academy of Sciences and served on boards for the American Association for the Advancement of Science, the Science Advisory Committee of the Office of Defense Mobilization, and the National Advisory Committee for Aeronautics (predecessor to NASA). [19]

Bronk was also instrumental in reviving a plan to abolish undergraduate education at Johns Hopkins and turn Hopkins into a graduate-only institution. In 1952, as in 1925, the “New Plan” or “Bronk Plan” would have phased out the freshman and sophomore years and Hopkins would only admit students transferring from other institutions as juniors or above. These students would bypass the traditional undergraduate degree and begin work immediately toward a doctorate. As in 1925, the plan attracted little support from the intended student body and it was quietly dropped by the mid-1950s.[20]

From 1953–1968 Bronk was president of The Rockefeller University. (The Rockefeller Institute for Medical Research was renamed The Rockefeller University in 1965). He firmly espoused academic freedom and resisted attempts by Wisconsin Senator Joseph McCarthy to have Johns Hopkins University dismiss Professor Owen Lattimore. The same year he was awarded the Public Welfare Medal from the National Academy of Sciences.[21] He was credited with formulating the modern theory of the science of biophysics.[22] Bronk was awarded the Presidential Medal of Freedom by President Lyndon B. Johnson on September 14, 1964. He was also a member of the National Aeronautics and Space council. He was a member of the Scientific Advisory Committee of the Brookhaven National Laboratories and a founder and President of the World Academy of Art and Science (WAAS). He was also an advisory member of the Atomic Energy Commission.[23] He served on the board of trustees for Science Service, now known as Society for Science & the Public, from 1965–1967. Bronk is quoted as saying:

"A great deal of undergraduate education is built on ... telling a student what to do—at the very time he is developing intellectual habits for life. Too rarely is a student told, 'This is the problem with which we are going to deal. Here are the books.' "


  1. 1 2 3 4 5 6 7 8 Ohles, Ohles & Ramsay: Biographical Dictionary of Modern American Educators, p.42: Greenwood Press, 1997. ISBN 0-313-29133-0
  2. The Johns Hopkins University – Past Presidents at the Wayback Machine (archived February 12, 2008). Johns Hopkins University
  3. National Academy of Sciences: About the NAS: President at the Wayback Machine (archived June 13, 2011)
  4. Educational Foundation for Nuclear Science, Inc. (February 1976). Bulletin of the Atomic Scientists. Educational Foundation for Nuclear Science, Inc. pp. 6–. ISSN 0096-3402. Retrieved February 15, 2012.
  5. History of the Penn Comprehensive Neuroscience Center. Retrieved on February 15, 2012.
  6. History|World Academy of Art & Science. (December 24, 1960). Retrieved on February 15, 2012.
  7. The Franklin Institute Awards. Retrieved on 2012-02-15.
  8. U.S. National Science Foundation – The President's National Medal of Science: Recipient Details. Retrieved on February 15, 2012.
  9. 1 2 Adrian, L. (1976). "Detlev Wulf Bronk 13 August 1897 -- 17 November 1975". Biographical Memoirs of Fellows of the Royal Society. 22: 1–9. doi:10.1098/rsbm.1976.0001. PMID 11615711.
  10. Lee, M. O. (1951). "Detlev W. Bronk, Scientist". Science. 113 (2928): 143. doi:10.1126/science.113.2928.143.
  11. Greenberg, D. S. (1967). "The National Academy of Sciences: Profile of an Institution (II)". Science. 156 (3773): 360–364. doi:10.1126/science.156.3773.360. PMID 4886535.
  12. De Duve, C. (1976). "Notes on the life and work of Detlev Wulf Bronk, honorary foreign member". Bulletin et memoires de l'Academie royale de medecine de Belgique. 131 (3–4–5): 176–183. PMID 798623.
  13. Brink, Jr (1975). "Detlev Wulf Bronk" (PDF). Memoirs of the National Academy of Science. 50: 3–40.
  14. Detlev W. Bronk Records, 1954–1968.
  15. National Academy of Sciences Biographical Memoir
  17. Grand Catalogue of the Phi Kappa Psi Fraternity (13th Ed.). Publishing Concepts, Inc. 1991. pp. pp. 47, 567.
  18. Frank Brink, Jr., Detlev Wulf Bronk: 1897-1975 (National Academy of Sciences), 1979
  19. Frank Brink, Jr., Detlev Wulf Bronk: 1897-1975 (National Academy of Sciences), 1979
  20. Fulvio Bardossi, "Dr. Detlev W. Bronk, President Emeritus of the Rockefeller University and Eminent Biophysicist, Dies Here" (Rockefeller University), November 17, 1975
  21. "Public Welfare Award". National Academy of Sciences. Archived from the original on June 4, 2011. Retrieved February 18, 2011.
  22. The Twentieth Century. 11 Alfred Newton Richards: Biomedical Research.
  23. citation needed
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