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Portrait of Dr. Jaroslav Heyrovsky, head of Physical Chemistry at Charles University, with his invention the polarograph, a device for the microanalysis of various solutions used in medicine, metallurgy, food study and other branches of science.
Location:Prague, Czechoslovakia
Date taken:1947
Photographer:Alfred Eisenstaedt
Size:1055 x 1280 pixels (14.7 x 17.8 inches)

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