Hudson Maxim (1853-1927),US chemist. Maxim invented several explosives,including smokeless powder (patented in 1890),a mixture of various nitro-based explosives in powder form. He was the younger brother of the more famous Hiram Stevens Maxim (1840-196),who invented the Maxim machine gun. Photographed on 14 July 1915. This photograph is from the Bain News Service,one of the USA's earliest news picture libraries | |
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Credit: | Science Photo Library / Library of Congress |
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