SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Dmitry Syergeyevich Rozhdestvensky (1876-1940), Soviet physicist and industrialist. Rozhdestvensky, a professor at the University of St Petersburg, was one of the founders of the Russian optics industry. His theoretical work involved the study of the dispersion of light, spectral patterns, and microscopes. Photographed in 1938, in Moscow, Russia.
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