Nancy Crooker
Born (1944-04-01) April 1, 1944
Chicago, USA
CitizenshipUnited States
Alma materUniversity of California, Los Angeles
OccupationResearcher
EmployerBoston University

Nancy U. Crooker (born April 1, 1944) is an American physicist and professor emerita of space physics at Boston University, Massachusetts.[1] She has made major contributions to the understanding of geomagnetism in the Earth's magnetosphere and the heliosphere, particularly through the study of interplanetary electrons and magnetic reconnection.

Early life and education

Crooker was born in Chicago in 1944.  Her father, Michael Uss, a Lithuanian who emigrated to America as a child, was a foreman at the freight yards of the Chicago & Northwestern Railroad, and her mother, Helen Narovec, was a housewife.  

Crooker holds a BA in physics from Knox College, Illinois, and an MSc in Meteorology from the University of California, Los Angeles (UCLA).[1][2] In 1972 Crooker was awarded her PhD in Atmospheric Sciences, also from UCLA, with her doctoral dissertation entitled, "The Low-Latitude Asymmetric Disturbance in the Geomagnetic Field".[3]

Research career

Crooker has published 207 peer-reviewed articles (as of 8 October 2019)[4] across a range of topics within space physics. Her early career was as a postdoctoral researcher at Cornell University and then the Massachusetts Institute of Technology in the 1970s. There, together with Joan Feynman in their seminal Nature paper,[5] she was one of the first physicists to use geomagnetic data as a way to reconstruct solar activity prior to the space age.[6] Crooker then developed the concept of anti-parallel merging of magnetic field lines in Earth's magnetosphere published in Journal of Geophysical Research in 1979.[7]

In 1990, she returned to UCLA as an adjunct professor before making her final move to Boston University as a research professor in 1994.[2] Around this time, Crooker switched focus from the magnetosphere to the heliosphere, in particular the interplanetary manifestations of coronal mass ejections. In 1997, she co-edited a monograph on coronal mass ejections.[8] In 2002, she coined the term "interchange reconnection" for describing the dynamic process by which heliospheric magnetic flux introduced by coronal mass ejections is subsequently removed,[9][10] a term which has been comprehensively adopted in the field.

Crooker was president of the American Geophysical Union (AGU) Space Physics & Aeronomy Section from 2004 to 2006.[11][12] She is a fellow of the American Geophysical Union,[13] where the fellowship program recognizes AGU members who have made exceptional contributions to Earth and space science through a breakthrough, discovery, or innovation in their field.[14] She also received the prestigious Eugene Parker Lecture award from the AGU in 2013, only the third woman to do so.[15]

She has worked closely over decades with several other prominent space physicists, including John T. Gosling, Marcia Neugebauer, Mike Lockwood, Chris Russell and Thomas Zurbuchen.[2]

Scientific Citizenship

Crooker has served on numerous committees, panels and taskforces throughout her career, including:

Awards and honors

  • The Eugene Parker Lecture is presented two out of every three years to a space scientist who has made significant contributions to the fields of solar and heliospheric science by the American Geophysical Union.[15] Crooker received this honor in 2013.[15]
  • President of the AGU Space Physics & Aeronomy Section (2004 to 2006) [12]
  • Member of the Solar Heliospheric and Interplanetary Environment (SHINE) Steering Committee (1995-2002)[23]
  • Solar Heliospheric Secretary for Space Physics & Aeronomy Section of AGU (2000-2002)
  • Fellow of the American Geophysical Union (2000) [24][13]
  • Member of the NASA Magnetospheric Management Operations Working Group (1995-6)[25]
  • Editor's Citation for Excellence in Refereeing for the Journal of Geophysical Research (1993)[26] and Geophysical Research Letters (1996) [27]

References

  1. 1 2 "Nancy Crooker | Astronomy". www.bu.edu. Retrieved 2019-10-08.
  2. 1 2 3 "Nancy Crooker CV" (PDF). Retrieved 2019-10-08.
  3. ↑ Crooker, Nancy. "THE LOW-LATITUDE ASYMMETRIC DISTURBANCE IN THE GEOMAGNETIC FIELD". ucsc.primo.exlibrisgroup.com. Retrieved 2019-10-08.
  4. ↑ "N. U. Crooker's research works | Boston University, MA (BU) and other places". ResearchGate. Retrieved 2019-10-08.
  5. ↑ Feynman, J.; Crooker, N. U. (1978-10-01). "The solar wind at the turn of the century". Nature. 275 (5681): 626–627. Bibcode:1978Natur.275..626F. doi:10.1038/275626a0. ISSN 1476-4687. S2CID 4194618.
  6. ↑ Crooker, N. U.; Feynman, J.; Gosling, J. T. (1977-05-01). "On the high correlation between long-term averages of solar wind speed and geomagnetic activity". Journal of Geophysical Research. 82 (13): 1933–1937. Bibcode:1977JGR....82.1933C. doi:10.1029/JA082i013p01933.
  7. ↑ Crooker, N. U. (1979). "Dayside merging and cusp geometry". Journal of Geophysical Research. 84 (A3): 951–959. Bibcode:1979JGR....84..951C. doi:10.1029/JA084iA03p00951. ISSN 2156-2202.
  8. ↑ Coronal mass ejections. Crooker, Nancy, 1944-, Joselyn, J. A., Feynman, Joan. Washington, D.C.: American Geophysical Union. 1997. ISBN 087590081X. OCLC 37260958.{{cite book}}: CS1 maint: others (link)
  9. ↑ Crooker, N. U.; Gosling, J. T.; Kahler, S. W. (2002). "Reducing heliospheric magnetic flux from coronal mass ejections without disconnection". Journal of Geophysical Research: Space Physics. 107 (A2): SSH 3–1–SSH 3–5. Bibcode:2002JGRA..107.1028C. doi:10.1029/2001JA000236. ISSN 2156-2202.
  10. ↑ Owens, M. J.; Crooker, N. U. (2006-10-11). "Coronal mass ejections and magnetic flux buildup in the heliosphere". Journal of Geophysical Research. 111 (A10). Bibcode:2006JGRA..11110104O. doi:10.1029/2006ja011641. ISSN 0148-0227. S2CID 32440026.
  11. ↑ Anonymous (2003-09-30). "Candidates for office 2004–2006". Eos, Transactions American Geophysical Union. 84 (39): 399–403. Bibcode:2003EOSTr..84..399.. doi:10.1029/2003EO390011. ISSN 2324-9250.
  12. 1 2 "AGU Space Physics & Aeronomy Section Memo: Subject: Action Needed - Future of Science at NASA". www.spaceref.com. 31 March 2005. Retrieved 2019-10-08.
  13. 1 2 "Crooker". Honors Program. Retrieved 2019-10-08.
  14. ↑ "Union Fellows | AGU". www.agu.org. Retrieved 2019-10-08.
  15. 1 2 3 "Eugene Parker Lecture | AGU". www.agu.org. Retrieved 2019-10-08.
  16. ↑ Williams, Billy (2015-03-03). "eos.org". 96. doi:10.1029/2015EO025545. {{cite journal}}: Cite journal requires |journal= (help)
  17. ↑ "Task Force Recommends Ways to Improve AGU Fellows Program". Eos. 3 March 2015. Retrieved 2019-10-08.
  18. ↑ "Eos, Transactions, American Geophysical Union Volume 91, Number 39, 28 September 2010". Eos, Transactions American Geophysical Union. 91 (39): n/a. 2010-09-28. doi:10.1029/eost2010EO39. ISSN 2324-9250.
  19. ↑ "NASA - Ulysses Media Telecon". www.nasa.gov. Retrieved 2019-10-08.
  20. ↑ Balogh, A.; Gosling, J. T.; Jokipii, J. R.; Kallenbach, R.; Kunow, H., eds. (1999). Corotating Interaction Regions. Space Sciences Series of ISSI. Vol. 7. Bibcode:1999cir..book.....B. doi:10.1007/978-94-017-1179-1. ISBN 978-90-481-5367-1. ISSN 1385-7525.
  21. ↑ "CNN - Satellite sheds light on solar storms - December 9, 1997". edition.cnn.com. Retrieved 2019-10-08.
  22. ↑ Tsurutani, Bruce T. (1990-08-14). "SPR Awards Committee". Eos, Transactions American Geophysical Union. 71 (33): 1028. Bibcode:1990EOSTr..71.1028T. doi:10.1029/90EO00269. ISSN 2324-9250.
  23. ↑ "People of SHINE". www.shinecon.org. Retrieved 2019-10-08.
  24. ↑ "Eos, Transactions, American Geophysical Union Volume 90, Number 51, 22 December 2009". Eos, Transactions American Geophysical Union. 90 (51): n/a. 2009-12-22. doi:10.1029/eost2009EO51. ISSN 2324-9250.
  25. ↑ "Issue 85, October 25, 1995 - Space Physics and Aeronomy". webcache.googleusercontent.com. Retrieved 2019-10-08.
  26. ↑ Anonymous (1993-06-15). "1992 Editors' Citations: Excellence in refereeing". Eos, Transactions American Geophysical Union. 74 (24): 269. Bibcode:1993EOSTr..74..269.. doi:10.1029/93EO00433. ISSN 2324-9250.
  27. ↑ Anonymous (1997-08-19). "1996 Editors' citations: Excellence in reviewing". Eos, Transactions American Geophysical Union. 78 (33): 350–351. Bibcode:1997EOSTr..78..350.. doi:10.1029/97EO00227. ISSN 2324-9250.
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