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Dmitri Egorov. Photo of en DmitriEgorov from the official web site of the en Russian Academy of Sciences ras ru asp id lnru The image is made and published in the Soviet Union before pre DmitriEgorov UTC DmitriEgorov Original uploader was Mhym at org en derivative work Bff Cropped and sepiated Bff DmitriEgorov PDRussia