left to right: Unidentified man and Marion Schmidt Escallon (1912-2003)
| Uploaded by | Smithsonian Institution |
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| Date taken | 2011-10-12 13:13:05 |
| Date uploaded | 2014-03-04 |
| Tags | smithsonianinstitution, smithsonianinstitutionarchives, womenshistorymonth, womeninscience, 2014, 20140301 |
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