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Dan McKenzie (geophysicist)

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Nationality  British
Role  Professor
Name  Dan McKenzie

Doctoral advisor  Teddy Bullard
Fields  Geophysics
Academic advisor  Edward Bullard
Dan McKenzie (geophysicist) wwwkingscamacukfilesfellowsdanmckenziejpg
Born  21 February 1942 (age 73) Cheltenham (1942-02-21)
Institutions  University of Cambridge
Thesis  The shape of the earth (1967)
Influences  Walter Munk, Don L. Anderson
Books  Sir Edward Bullard: A Biographical Memoir
Education  Westminster School, King's College, Cambridge, Westminster Under School
Awards  Copley Medal, Wollaston Medal
Influenced by  Walter Munk, Don L. Anderson
Similar People  James A Jackson, Edward Bullard, Dan Mackenzie

Dan mckenzie and friends in highlights from the bullard labs


Dan Peter McKenzie CH FRS (born 21 February 1942) is a Professor of Geophysics at the University of Cambridge, and one-time head of the Bullard Laboratories of the Cambridge Department of Earth Sciences. He wrote the first paper defining the principles of plate tectonics, and his early work on mantle convection created the modern discussion of planetary interiors.

Contents

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Early life

Born in Cheltenham, the son of an ear, nose, and throat surgeon, he first attended Westminster Under School and later Westminster School, London.

Education and career

McKenzie attended King's College, Cambridge where he read physics, obtaining a 2:1 in his final degree.

As a graduate student, he worked with Edward "Teddy" Bullard who suggested he work on the subject of thermodynamic variables. He was awarded a Research Fellowship at King's College at the beginning of his second year which enabled him to study anything he wanted. As such, he gave up doing what Teddy had suggested and became interested in how the interior of the earth convects, something completely speculative at that time. McKenzie taught himself fluid mechanics and then went to the Scripps Institution of Oceanography at the University of California, San Diego, on the invitation of Freeman Gilbert and Walter Munk. After eight months he returned to Cambridge, submitting his PhD in 1966. He has since said that nothing in his early life as a scientist had such a profound effect on him as those eight months in California.

Plate tectonics

Spending time between Cambridge and a Fellowship held in Caltech, McKenzie was invited, along with Teddy Bullard, to a conference in New York which initiated his revolutionary work on plate tectonics. After listening to separate talks from Fred Vine on plate tectonics, looking at the thermal structure of oceanic plates as they formed and cooled.

Following this, he published a seminal paper with Bob Parker, which employed Euler's Fixed Point Theorem, in conjunction with magnetic anomalies and earthquakes to determine a precise mathematical theory on plate tectonics. This work was published some 3–4 months after the same work had been carried out by Jason Morgan at Princeton. Allegations were subsequently made suggesting that McKenzie was at Morgan's spring AGU talk where he presented his plate tectonics work. Later in 1968 he went to Princeton where he found that he and Morgan had solved two or three problems using identical mathematics in exactly the same way – plate tectonics was one, another was the thermal structure of the oceans and another was looking at earthquake mechanisms in a different way to seismologists.

Working with John Sclater, McKenzie determined the entire geological history of the Indian Ocean, the publication of which eventually resulted in them both receiving Fellowships at the Royal Society.

Mantle convection and sedimentary basins

McKenzie was awarded a University position and took it up in 1969. At this point he decided to move away from plate tectonics, choosing instead to focus on the behavior of fluids below the plates. He studied cellular convection and motions in the mantle whilst at the same time pursuing yet another new avenue of research; the development of sedimentary basins. It was from this work that he produced a classic paper that has been widely accepted by oil companies as the "McKenzie Model of Sedimentary Basins."

McKenzie was elected a Fellow of the Royal Society in 1976 aged just 34, and by 1978 was awarded a University Readership position.

Later career

McKenzie continues to work at the Bullard Laboratories in Cambridge where he is Professor of Earth Science. Most recently his research has provided new insights into the tectonic evolution of Mars and Venus. In 2002 he was awarded the prestigious Crafoord Prize from the Royal Swedish Academy of Sciences for his contributions to research in the field of plate tectonics, sedimentary basin formation and mantle melting. With his appointment as a Companion of Honour in 2003, he brought the then current Cambridge membership of this elite group to four: Brenner, McKenzie, Hobsbawm and Hawking.

Awards

  • Fellow of the Royal Society (FRS), 1976
  • Wollaston Medal, Geological Society of London, 1983
  • Rutherford Memorial Lecture, 1988
  • Japan Prize, with Dr W. Jason Morgan and Dr Xavier Le Pichon, 1990
  • Awarded a Royal Society Research Professorship, 1996
  • Awarded an Honorary DSc from the University of Bristol, 2000
  • William Bowie Medal, 2001
  • Crafoord Prize Royal Swedish Academy of Sciences, 2002
  • Order of the Companions of Honour by Queen Elizabeth II, 2003
  • Copley Medal, 2011
  • References

    Dan McKenzie (geophysicist) Wikipedia


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