Results for "American Association for the Advancement of Science"
![William Heffron, 1957, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3630].](/sites/default/files/styles/sia-image-200/public/site_util_images/image_missing.jpg "William Heffron, 1957, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3630].")
William Heffron
- Date: 1957 05/27/1957
Francesco Giordani (1896-1961)
Mortimer C. Bloom
- Creator: Naval Research Laboratory (U.S.)
Farrington Daniels (1889-1972)
Humphrey Davy (1778-1829)
John Dalton (1766-1844)
John Dalton (1766-1844)
Edith Lorimar Wile
Thomas Bruce Freas
Herbert Charles Brown (1912-2004)
Edwin Emery Slosson (left) and O. E. May (right)
Karl H. Beyer, Jr. (1914-1996)
- Date: 3-31-1959
- Creator: Science Service
![William Heffron, 1957, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3630].](https://ids.si.edu/ids/iiif/SIA-SIA2008-3630/full/250,/0/default.jpg "William Heffron, 1957, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-3630].")
![Francesco Giordani (1896-1961), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-1954].](https://ids.si.edu/ids/iiif/SIA-SIA2008-1954/full/250,/0/default.jpg "Francesco Giordani (1896-1961), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-1954].")
![Mortimer C. Bloom, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2007-0285].](https://ids.si.edu/ids/iiif/SIA-SIA2007-0285/full/250,/0/default.jpg "Mortimer C. Bloom, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2007-0285].")
![Farrington Daniels (1889-1972), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0834].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0834-000001/full/250,/0/default.jpg "Farrington Daniels (1889-1972), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0834].")
![Humphrey Davy (1778-1829), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0901].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0901-000001/full/250,/0/default.jpg "Humphrey Davy (1778-1829), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0901].")
![John Dalton (1766-1844), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0809].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0809-000001/full/250,/0/default.jpg "John Dalton (1766-1844), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0809].")
![John Dalton (1766-1844), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0810].](https://ids.si.edu/ids/iiif/SIA-SIA2008-0810-000001/full/250,/0/default.jpg "John Dalton (1766-1844), Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-0810].")
![Edith Lorimar Wile, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2010-1225].](https://ids.si.edu/ids/iiif/SIA-SIA2010-1225/full/250,/0/default.jpg "Edith Lorimar Wile, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2010-1225].")
![Thomas Bruce Freas, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-1697].](https://ids.si.edu/ids/iiif/SIA-SIA2008-1697/full/250,/0/default.jpg "Thomas Bruce Freas, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-1697].")
