- Hendrik C. van de Hulst
Infobox Scientist
name = PAGENAME
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caption = PAGENAME
birth_date =Nov 19 1918
birth_place = Utrecht
death_date =Jul 31 2000
death_place =Leiden
residence = |citizenship =
nationality = Dutch
ethnicity =
field =astronomy
work_institutions =University of Leiden
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known_for = 21 cm hyperfine line
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religion = |footnotes = |Hendrik Christoffel "Henk" van de Hulst (Utrecht,
Nov 19 1918 –Leiden ,Jul 31 2000 ) was a Dutchastronomer andmathematician .In 1944, while a student in Utrecht, he predicted the existence of the 21 cm hyperfine line of neutral interstellar
hydrogen . After this line was discovered, he participated, withJan Oort andAlex Muller , in the effort to useradio astronomy to map out the neutral hydrogen in ourgalaxy , which first revealed its spiral structure.He spent most of his career at the
University of Leiden .Honors
Awards
*Henry Draper Medal (1955)
*Eddington Medal of theRoyal Astronomical Society (1955)
*Bruce Medal of theAstronomical Society of the Pacific (1978)
*Karl Schwarzschild Medal of theAstronomische Gesellschaft (1995)Named after him
*Asteroid 2413 van de Hulst References
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