created with Adobe Illustrator and rendered in Portable Network Graphics (PNG) format. It bases the guidelines for construction of the symbol on the key
Jacobs used the photo as her official passport photograph per the Atria Archivesarchive copy at the Wayback Machine https://creativecommons.org/publicdomain/mark/1
Persistent URL: Link to data base record Repository: Smithsonian Institution Archives English Barbara McClintock in her laboratory. determination method or standard:
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