7 photos

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• Portrait of Lee De Forest (1873-1961), Electrical Engineer

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 1 comment
  • 12 favorites
  • 35,586 views
  • Date taken: 2008-05-20 19:09:37
  • Date uploaded: 2008-06-04
  • Tags: smithsonianinstitution, portrait, electricalengineer, oldman, circuit, autograph, yaleuniversityphd, vacuumtube, americaninventor, triode, 1947, bowtie, hands, smithsonianinstitutionlibraries
  • Visibility: public
• Letter Carrier Collecting Mail

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 7 comments
  • 71 favorites
  • 34,548 views
  • Date taken: 2008-05-14 17:39:44
  • Date uploaded: 2008-07-16
  • Tags: smithsonianinstitution, postalservice, postoffice, lettercarrier, collectionbox, relaybox, usps, 1947, mid20thcentury, outdoors, postbox, green, mailman, handcoloredphotograph, 193, postal, mailcarrier, usmail, mailacrossthecommons, nationalpostalmuseum
  • Visibility: public
• Operation Windmill Expedition Members Photographing a Seal

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 0 comments
  • 7 favorites
  • 24,057 views
  • Date taken: 2010-02-23 14:44:05
  • Date uploaded: 2010-12-08
  • Tags: smithsonianinstitution, operationwindmill, antartica, seal, animal, mammal, snow, 1947, expedition, antarctica, mountains, smithsonianinstitutionarchives
  • Visibility: public
• Mary Agnes Chase's Field Work in Brazil, Image No. 1947. Corcovado, steep face toward bay.

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 5 comments
  • 65 favorites
  • 23,367 views
  • Date taken: 2012-03-15 10:02:52
  • Date uploaded: 2012-03-21
  • Tags: smithsonianinstitutionarchives, smithsonianinstitution, womenshistorymonth, tijucaforestnationalpark, riodejaneiro, brazil, 1947, corcovado, botany, government, 20thcenturyearly
  • Visibility: public
• Barbara McClintock (1902-1992)

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 1 comment
  • 17 favorites
  • 20,393 views
  • Date taken: 2009-09-17 15:18:48
  • Date uploaded: 2012-03-01
  • Tags: smithsonianinstitution, smithsonianinstitutionarchives, 2012, womenshistorymonth, womeninscience, 1947, 1940s, forties, woman, science, scientist, laboratory, microscope, genetics, geneticist, plants, corn, nobel, laureate, nobelprize, botany, botanist, cornell, research, glasses, eyeglasses, academia, 20thcenturymid
  • Visibility: public
• Mary Lura Sherrill (1888-1968)

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 1 comment
  • 3 favorites
  • 16,453 views
  • Date taken: 2011-10-12 13:57:46
  • Date uploaded: 2013-03-11
  • Tags: smithsonianinstitution, smithsonianinstitutionarchives, womenshistorymonth2013, woman, scientist, chemistry, mountholyoke, eyeglasses, 1940s, 1947, forties
  • Visibility: public
• Catherine MacKenzie (Bierstadt) (ca. 1894-1949)

  • Uploaded by: Smithsonian Institution
  • License: No known copyright restrictions
  • 0 comments
  • 2 favorites
  • 15,637 views
  • Date taken: 2009-09-09 15:03:41
  • Date uploaded: 2012-03-01
  • Tags: smithsonianinstitution, smithsonianinstitutionarchives, 2012, womenshistorymonth, womeninscience, woman, portrait, necklace, 1947, 1940s, forties, journalist, columnist, newyorktimes, education, alexandergrahambell, canadian, novascotia, journalism, 20thcenturyearly, private
  • Visibility: public