Steven Cowley

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Sir Steve Cowley
Professor Steven Cowley FRS.jpg
Steven Cowley at the Royal Society admissions day in 2014
Born Steven Charles Cowley
Alma mater
Known for Fusion power
Spouse(s) Margaret Koval
Children Sean Cowley and Brendan Cowley
Awards Knight Bachelor (2018)
Glazebrook Medal (2012)[1]
Harkness Fellowship[when?]
Scientific career
Thesis Some Aspects of Anomalous Transport in Tokamaks: Stochastic Magnetic Fields, Tearing Modes and Nonlinear Ballooning Instabilities (Convection) (1985)
Doctoral advisor Russell Kulsrud[3]

Sir Steven Charles Cowley FRS FREng FInstP is a theoretical physicist and international authority on nuclear fusion and astrophysical plasmas. He has served as director of the United States Department of Energy (DOE) Princeton Plasma Physics Laboratory (PPPL) since 1 July 2018.[4] Previously he served as president of Corpus Christi College, Oxford, since October 2016.[5] and head of the EURATOM / CCFE Fusion Association and chief executive officer of the United Kingdom Atomic Energy Authority (UKAEA).[5]


Cowley was educated at the University of Oxford where he won a scholarship to Corpus Christi College, Oxford and graduated with a Bachelor of Arts degree in Physics in 1981.[5] He went on to study at Princeton University as a Harkness Fellow and was awarded a PhD in 1985 for research into tokamaks supervised by Russell Kulsrud.[3][6][7][8]

Career and research

Following his PhD, Cowley completed postdoctoral research at the Culham Centre for Fusion Energy (CCFE). He returned to Princeton in 1987 and joined the faculty at University of California, Los Angeles (UCLA), in 1993, becoming full professor in 2000. At Imperial College, London, Cowley led the plasma physics group from 2001 to 2003 where he remains a part-time professor.[9][10] He was appointed as the head of the EURATOM / CCFE Fusion Association in September 2008 and as CEO of UKAEA in November 2009.

On 18 March 2015, he was elected the 31st President of Corpus Christi College, Oxford, his alma mater: he took up the post on 1 October 2016. He is the first scientist to hold the post.[11]

On 1 July 2018, he was appointed director of the Princeton Plasma Physics Laboratory (PPPL).[12]

Cowley's research interests are in plasmas and nuclear fusion, in astrophysical plasmas and the laboratory, such as the Joint European Torus (JET) and the International Thermonuclear Experimental Reactor (ITER).[2][13][14][15][16][17][18][19][20] His research has been funded by Science and Technology Facilities Council (STFC) and the Engineering and Physical Sciences Research Council (EPSRC).[21][22] Cowley co-chaired the National Academy of Sciences assessment of plasma science in the United States.[23][24][25]

Awards and honours

Cowley was elected a Fellow of the Royal Society (FRS) in 2014. His biography reads;

Steven Cowley is a leading plasma theorist and currently chief executive officerat the UK Atomic Energy Authority. Much of his research career has been devoted to modelling and understanding plasma turbulence in nuclear fusion, a phenomenon that must be controlled to achieve stable fusion.

Nuclear fusion will offer future generations a cleaner and safer source of energy and has the potential to meet the majority of the world's energy demands. At present, however, more energy is required to feed the process than can be produced. Steven is leading the UK's participation in ITER, an experimental reactor that is set to make nuclear fusion commercially viable.

Steven's interest in plasmas extends to those found on a large scale throughout the Universe. He showed that these astrophysical plasmas also invariably exhibit turbulence, which amplifies and shapes their magnetic fields. Steven presented a 2009 TED talk entitled Fusion is Energy's Future and received the 2012 Glazebrook Medal from the Institute of Physics, which rewards leadership in a physics context.[26]

His certificate of election reads:

Professor Cowley is currently chief executive officer at the UK Atomic Energy Authority and Professor at Imperial College. Over the last twenty years he has played a leading role in developing the multi-scale approach to computing the plasma turbulence in fusion experiments. Now such computations routinely reproduce experimental results. Multi-scale computational tools will be central to the successful development of fusion power. He discovered a key mechanism for the observed explosive eruptions from confined plasmas. Using analysis and computations Cowley and collaborators have shown that astrophysical plasmas are invariably turbulent. They have described the multi-scale spectra and structure of this turbulence and how it amplifies and shapes the magnetic field in the large scale plasmas of the universe.[27]

Cowley is also an elected Fellow of the American Physical Society (APS)[when?] the Institute of Physics (FInstP),[when?] the Royal Academy of Engineering (FREng). In 2011, he was appointed to the UK Government's Council for Science and Technology.[citation needed]

In the 2018 Birthday Honours, Cowley was appointed a Knight Bachelor for services to science and to the development of nuclear fusion, and therefore granted the title sir.[28]


  1. ^ "Professor Steven Cowley FREng FRS". [dead link]
  2. ^ a b Steven Cowley publications indexed by Google Scholar
  3. ^ a b Steven Cowley at the Mathematics Genealogy Project
  4. ^ "Steven Cowley named director of DOE's Princeton Plasma Physics Laboratory". Princeton Plasma Physics Laboratory. 16 May 2018. Retrieved 16 June 2018.
  5. ^ a b c Anon (2016). Cowley, Prof. Steven. Who's Who (online Oxford University Press ed.). A & C Black, an imprint of Bloomsbury Publishing plc. doi:10.1093/ww/9780199540884.013.U261946. closed access publication – behind paywall (subscription required)
  6. ^ Cowley, Steven Charles (1985). Some Aspects of Anomalous Transport in Tokamaks: Stochastic Magnetic Fields, Tearing Modes and Nonlinear Ballooning Instabilities (Convection). (PhD thesis). Princeton University. OCLC 77633911.
  7. ^ "Professor Steve Cowley". Culham Centre for Fusion Energy. Archived from the original on 2015-04-16.
  8. ^ Steven Cowley at TED
  9. ^ "Chief Executive Officer, Professor Steven Cowley". Archived from the original on 2016-03-04.
  10. ^ Davies, Sean (16 May 2011). "Q and A – Steve Cowley – Culham Centre for Fusion Energy". E&T: Engineering and Technology Magazine. The Institution of Engineering and Technology. 6 (5). Archived from the original on 14 July 2014.
  11. ^ "Corpus announces the election of its next President". Oxford: Corpus Christi College. Archived from the original on 2015-04-21.
  12. ^ "Steven Cowley named director of DOE's Princeton Plasma Physics Laboratory". 2018-05-16. Archived from the original on 2018-05-16.
  13. ^ Steven Cowley publications indexed by the Scopus bibliographic database. (subscription required)
  14. ^ Ham, C J; Connor, J W; Cowley, S C; Hastie, R J; Hender, T C; Liu, Y Q (2013). "The role of pressure flattening in calculating tearing mode stability". Plasma Physics and Controlled Fusion. 55 (12): 125015. arXiv:1308.2070. Bibcode:2013PPCF...55l5015H. doi:10.1088/0741-3335/55/12/125015. ISSN 0741-3335.
  15. ^ Schekochihin, A. A.; Cowley, S. C.; Dorland, W.; Hammett, G. W.; Howes, G. G.; Quataert, E.; Tatsuno, T. (2009). "ASTROPHYSICAL GYROKINETICS: KINETIC AND FLUID TURBULENT CASCADES IN MAGNETIZED WEAKLY COLLISIONAL PLASMAS". The Astrophysical Journal Supplement Series. 182 (1): 310–377. arXiv:0704.0044. Bibcode:2009ApJS..182..310S. doi:10.1088/0067-0049/182/1/310. ISSN 0067-0049.
  16. ^ Schekochihin, Alexander A.; Cowley, Steven C.; Taylor, Samuel F.; Maron, Jason L.; McWilliams, James C. (2004). "Simulations of the Small‐Scale Turbulent Dynamo". The Astrophysical Journal. 612 (1): 276–307. arXiv:astro-ph/0312046. Bibcode:2004ApJ...612..276S. doi:10.1086/422547. ISSN 0004-637X.
  17. ^ Cole, M D J; Newton, S L; Cowley, S C; Loureiro, N F; Dickinson, D; Roach, C; Connor, J W (2014). "Electromagnetic effects in the stabilization of turbulence by sheared flow". Plasma Physics and Controlled Fusion. 56 (1): 015007. arXiv:1308.0989. Bibcode:2014PPCF...56a5007C. doi:10.1088/0741-3335/56/1/015007. ISSN 0741-3335.
  18. ^ Hammett, G W; Beer, M A; Dorland, W; Cowley, S C; Smith, S A (1993). "Developments in the gyrofluid approach to Tokamak turbulence simulations". Plasma Physics and Controlled Fusion. 35 (8): 973–985. Bibcode:1993PPCF...35..973H. doi:10.1088/0741-3335/35/8/006. ISSN 0741-3335.
  19. ^ Howes, Gregory G.; Cowley, Steven C.; Dorland, William; Hammett, Gregory W.; Quataert, Eliot; Schekochihin, Alexander A. (2006). "Astrophysical Gyrokinetics: Basic Equations and Linear Theory". The Astrophysical Journal. 651 (1): 590–614. arXiv:astro-ph/0511812. Bibcode:2006ApJ...651..590H. doi:10.1086/506172. ISSN 0004-637X.
  20. ^ Beer, M. A.; Cowley, S. C.; Hammett, G. W. (1995). "Field-aligned coordinates for nonlinear simulations of tokamak turbulence". Physics of Plasmas. 2 (7): 2687. Bibcode:1995PhPl....2.2687B. doi:10.1063/1.871232. ISSN 1070-664X.
  21. ^ "Grants awarded to Steven Cowley, EURATOM/CCFE". Swindon: Research Councils UK. Archived from the original on 2016-03-04.
  22. ^ "Grants awarded to Steven Cowley, Imperial College London". Swindon: Research Councils UK. Archived from the original on 2016-03-04.
  23. ^ Plasma Science: Advancing Knowledge in the National Interest (National Academy Press 2007) ISBN 0309109396
  24. ^ Steven Cowley: Fusion is energy's future, TED talk on YouTube, 2009-12-22
  25. ^ Fusion energy with Professor Steven Cowley, Institute of Physics on YouTube
  26. ^ Anon (2014). "Professor Steven Cowley FREng FRS". Archived from the original on 2016-03-06. One or more of the preceding sentences incorporates text from the website where:

    "All text published under the heading 'Biography' on Fellow profile pages is available under Creative Commons Attribution 4.0 International License." --"Royal Society Terms, conditions and policies". Archived from the original on 2015-09-25. Retrieved 2016-03-09.

  27. ^ "Professor Steven Cowley FRS, Chief Executive Officer, UK Atomic Energy Authority". London: The Royal Society. Archived from the original on 2014-07-07.
  28. ^ "No. 62310". The London Gazette (Supplement). 9 June 2018. p. B2.

 This article incorporates text available under the CC BY 4.0 license.

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