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    • 1950s

    Portrait of American chemist Francis Cowles Frary (1884-1970), best known for his work with phosgene gas and the production of aluminium.

    Francis Cowles Frary was born on July 9, 1884 in Minneapolis, Minnesota and…

    • 1944-Mar-30

    The informal report drafted by a University of Chicago team, regarding contract OEMsr-79, documented efforts to record chemical warfare agents using sensitized paper tape. The report includes one such strip…