SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Ivan Antonovich Yefremov (1907-1972), Soviet palaeontologist and science fiction author, examining a reconstruction of a dinosaur skeleton. This reconstruction was based on fossils found in Mongolia. Yefremov founded the science of taphonomy, the study of the fate of dead organisms in the geosphere and biosphere. He won the USSR State Prize for this work. His most famous novel was Andromeda Nebula (1957). Photographed in 1957, in Moscow, Russia.
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