Barry G. Clark

Barry Gillespie Clark (born March 5, 1938) is an American astronomer who led the development of the world's first digitally recorded, software correlated Very Long Baseline Interferometry (VLBI) system for radio astronomy, the Green Bank Interferometer.[1] He was also heavily involved in the development of the Very Large Array and the Very Long Baseline Array.

Barry Gillespie Clark
Born (1938-03-05) March 5, 1938
NationalityAmerican
Alma materCalifornia Institute of Technology
(BS, 1959)
(Ph.D., 1964)
Known forRadio astronomy
Interferometry
Scientific career
FieldsRadio astronomy
InstitutionsNational Radio Astronomy Observatory

Clark earned a BS in 1959 and a PhD in 1964, both from Caltech.[1] His entire working life has been spent at the National Radio Astronomy Observatory in Socorro, New Mexico, where he has worked from 1964-2004, and then from 2004 as Emeritus Scientist (until at least as late as October 2013).[2][3]

Kenneth Kellermann and Marshall Cohen (fellow NRAO scientists) in a 1988 paper, "The origin and evolution of the N.R.A.O.-Cornell VLBI system" discuss much of the work at NRAO on the development of VLBI systems, going from baselines of 200 km to intercontinental baselines, and involving several international collaborations including a collaboration with the USSR.[4]

He is a fellow of the American Astronomical Society (AAS).[5]

Honors and Awards

Publications
  • Clark, B.G. (1973). "The NRAO tape-recorder interferometer system". Proceedings of the IEEE. 61 (9): 1242–1248. Bibcode:1973IEEEP..61.1242C. doi:10.1109/PROC.1973.9253.
  • Bare, C.; Clark, B.G.; Kellermann, K.I.; Cohen, M.H.; Jauncey, D.L. (1967). "Interferometer Experiment with Independent Local Oscillators". Science. 157 (3785): 189–91. Bibcode:1967Sci...157..189B. doi:10.1126/science.157.3785.189. PMID 17806263.
  • Clark, B.G. (1965). "An Interferometer Investigation of the 21-CENTIMETER Hydrogen-Line Absorption". Astrophysical Journal. 142: 1398. Bibcode:1965ApJ...142.1398C. doi:10.1086/148426.
  • Kellermann, K.I., Clark, B.G., Bare, C.C., Rydbeck, O., Ellder, J., Hansson, B. (1968). "High-Resolution Interferometry of Small Radio Sources Using Intercontinental Base Lines". Astrophysical Journal. 153: L209. Bibcode:1968ApJ...153L.209K. doi:10.1086/180253.CS1 maint: multiple names: authors list (link)
  • Thompson, A.R., Clark, B.G., Wade, C.M., & Napier, P.J. (1980). "The Very Large Array". Astrophysical Journal Supplement Series. 44: 151–167. Bibcode:1980ApJS...44..151T. doi:10.1086/190688.CS1 maint: multiple names: authors list (link)
  • Napier, P.J., Bagri D.S., Clark, B.G., Rogers A.E.E., Romney, J.D., Thompson, A.R. & Walker, R.C. (1994). "The Very Long Baseline Array". Proceedings of the IEEE. 82 (5): 658–672. doi:10.1109/5.284733.CS1 maint: multiple names: authors list (link)
  • Bare, C., Clark, B.G., Kellermann, K.I., Cohen, M.H. & Jauncey, D.L. (1967). "Interferometer Experiment with Independent Local Oscillators". Science. 157 (3785): 189–91. Bibcode:1967Sci...157..189B. doi:10.1126/science.157.3785.189. PMID 17806263.CS1 maint: multiple names: authors list (link)
  • Kellermann, K.I.; Clark, B.G., Bare, C.C., Rydbeck, O., Ellder, J., Hansson, B. (1968). "High-Resolution Interferometry of Small Radio Sources Using Intercontinental Base Lines". Astrophysical Journal. 153: L209. Bibcode:1968ApJ...153L.209K. doi:10.1086/180253.CS1 maint: multiple names: authors list (link)

References
  1. Kellermann, K.I. "NRAO: Barry G Clark". rahist.nrao.edu. Retrieved March 11, 2020.
  2. "Barry Clark's Home Page". www.aoc.nrao.edu. Retrieved April 2, 2020.
  3. Clark, B.G. "Barry Clark's Blog: A Train and a Furlough, October 2013". www.aoc.nrao.edu. Retrieved April 2, 2020.
  4. Kellermann, K.I & Cohen, M.H (1988). "The Origin and Evolution of the NRAO-Cornell VLBI System". Journal of the Royal Astronomical Society of Canada. 82: 248–265. Bibcode:1988JRASC..82..248K. ISSN 0035-872X.CS1 maint: multiple names: authors list (link)
  5. "American Astronomical Society Honors NRAO Scientists". National Radio Astronomy Observatory. Retrieved April 2, 2020.
  6. Morrison, Philip; Rogers, Alan E. E. (1972). "Long-Baseline Interferometry". Science. 175 (4018): 218–220. Bibcode:1972Sci...175..218R. doi:10.1126/science.175.4018.218. ISSN 0036-8075. PMID 17771806.
  7. "Awardees: George Van Biesbroeck Prize (1979-2012)". American Astronomical Society. Archived from the original on January 18, 2013.
  8. "Historical Radio Astronomy Working Group - Grote Reber Medal Awards". rahist.nrao.edu. Retrieved April 2, 2020.
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