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Arthur B. McDonald
The physicist whose Sudbury neutrino experiment helped explain the Sun’s apparently missing neutrinos.
Solar neutrinos · Nobel Prize in Physics
- Born
- 29 August 1943
- Birthplace
- Canada
More people
Arthur B. McDonald
Arthur B. McDonald led a collaboration that could detect different forms of solar neutrinos. Its findings showed that the particles changed identity on their way to Earth.
Early life
Nova Scotia
Born in Sydney and studied physics at Dalhousie University.
California
Completed a doctorate at Caltech.
Career
- 1969
Chalk River
Began research at Canada’s nuclear laboratories.
- 1982
Princeton
Became a physics professor.
- 1989
Queen’s University
Moved to Canada and led the Sudbury Neutrino Observatory collaboration.
- 2002
Solar-neutrino results
The Sudbury collaboration reported direct evidence that solar neutrinos change type.
Contributions
Solar neutrinos
SNO reported evidence that solar neutrinos change type.
Nobel Prize in Physics
Shared with Takaaki Kajita.
Underground research
Continued research associated with SNOLAB.
Beyond the lab
Mentors
Has credited inspiring teachers at school and Dalhousie.
Scientific service
Served in advisory and governing roles for research institutions.
Sources & photo credit
Life, career and references ↗Nobel Prize — biography and research ↗Photo: Bengt Nyman. CC BY-SA 4.0 · Original image. Cropped and displayed in monochrome.
