75.1 MB (4.5 MB compressed)
5691 x 4611 pixels
48.3 x 39.1 cm ⏐ 19.0 x 15.4 in (300dpi)
SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Alexander Popov with Stepan Makarov. Russian radio pioneer and physicist Alexander Stepanovich Popov (1859-1906, right), showing the world's first radio to the Russian navy commander and vice-admiral Stepan Osipovich Makarov (1849-1904, left).
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