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    • 1971

    Cardboard box with color printing on lid, showing young men and women engaged in chemical testing of environmental factors (air, water). Inside is a blue plastic tray with wells for test equipment, including a…

    • 1904

    Portrait of Ira Remsen (1846-1927). Along with Constantin Fahlberg, Remsen discovered the artificial sweetener saccharin in 1879.

    A native of New York City, Remsen received his M.D. from the Columbia University…