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Anderson, Carl David
Carl David Anderson, American physicist, was born on September 3, 1905, in New York City, the son of a Swedish immigrant. He studied physics and engineering at the California Institute of Technology (BSc 1927, PhD 1930). Under the supervision of Robert Millikan, he began researching cosmic rays. During his research, he discovered unusual tracks of a certain particle in the images of a cloud chamber, which he correctly interpreted as tracks belonging to a particle with the mass of an electron but with the opposite electric charge. Anderson obtained the first direct evidence of the existence of the positron by irradiating various materials with gamma rays. For this work Anderson was awarded the Nobel Prize in Physics in 1936 (jointly with Victor Hess). Carl Anderson spent his entire scientific career at Caltech. During World War II, he conducted research in the field of rocketry. Carl David Anderson died on January 11, 1991. Citing Wikipedia.org |
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