(left to right): Laveta Audrey Johnson, Ursula Vivian Victor, Anne Wagman, Caroline Littlejohn, Roger Hugh Nelson, Richard C. Hitchcock, John David Kaufman

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Keywords: -, 2011, 20th, 20thcenturymid, archive, archives, century, chemistry, historic, history, institution, mid, month, photograph, private, science, smithsonian, smithsonianinstitution, smithsonianinstitutionarchives, vintage, westinghouse, women, womeninscience, womenshistorymonth

(left to right): Laveta Audrey Johnson, Ursula Vivian Victor, Anne Wagman, Caroline Littlejohn, Roger Hugh Nelson, Richard C. Hitchcock, John David Kaufman

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