SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY SMITHSONIAN INSTITUTION / SCIENCE PHOTO LIBRARY
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Austrian chemist Alfons Klemenc and colleague, 1927. Unidentified woman (left) with Austrian organic chemist Alfons Klemenc (born 1885). At the time, Klemenc was an assistant editor of the International Critical Tables of Numerical Data in Physics, Chemistry, and Technology. Photographed by Watson Davis (1896-1967) at the First International Congress of Soil Science, Washington DC, USA. This congress was held from 13-22 June 1927.
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