50.0 MB (1.8 MB compressed)
3482 x 5016 pixels
29.5 x 42.4 cm ⏐ 11.6 x 16.7 in (300dpi)
OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY
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Friedrich August Kekule von Stradonitz, German organic chemist, c1885. In 1865, Kekule (1829-1896) published his theory of the structure of the benzene ring as a ring of six carbon atoms attached by double and single bonds alternately, a form which had appeared to him in a dream.
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