|Born||29 November 1883|
|Died||6 November 1971|
|Awards||Fellow of the Royal Society|
|Institutions||Collège de France|
University of Paris
He was a professor at the Sorbonne, and the Collège de France. At the Institut de Biologie Physicochimique (the Rothschild Institute), he developed diffraction X-Ray, and electron microscopy with Boris Ephrussi.
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