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Francis Halzen
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Portrait of Francis Halzen wearing round glasses and a dark sweater, arms folded before a stone wall.
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Portrait of Francis Halzen wearing round glasses and a dark sweater, arms folded before a stone wall.
Francis Halzen Belgian physicist Francis Halzen was awarded the 2026 Nobel Prize for Physics for his work on the IceCube Neutrino Observatory.

Francis Halzen

Belgian physicist
Written by
Erik Gregersen
Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the...
Erik Gregersen
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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Francis Halzen (born March 23, 1944, Tienen, Belgium) is a Belgian physicist who was awarded the 2026 Nobel Prize for Physics for his work on the IceCube Neutrino Observatory in Antarctica and the discovery of high-energy neutrinos from astrophysical objects. Quick Facts Halzen received a master’s degree and a Ph.D. from the Catholic University of Leuven in Belgium in 1966 and 1969, respectively. Since 1971 he has worked in the physics department at the University...

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