Millikan and Bowen, Caltech scientists

Millikan and Bowen, Caltech scientists

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Caption: Millikan and Bowen, Caltech scientists. At left, US physicist Robert Andrews Millikan (1868-1953) is being shown an apparatus in the cosmic ray laboratory at the Hale Observatory, California Institute of Technology, USA, by US astronomer Ira Sprague Bowen (1898-1973, right). Bowen had studied under Millikan at the University of Chicago, and moved with him to Caltech in 1921, where Millikan was Chair of the Executive Council until 1945. Millikan had been awarded the 1923 Nobel Prize in Physics. Bowen, best known for his work on nebulium, published on cosmic rays with Millikan in the 1920s and 1930s.

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