Earl Steinford Johnston (1889-1947)
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Download IIIF ManifestRequest permissionsDownload image PrintID: SIA Acc. 90-105 [SIA2008-4442]
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Form/Genre: Black-and-white photographs
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Citation: Smithsonian Institution Archives, Accession 90-105, Science Service Records, Image No. SIA2008-4442
Dr. Earl Steinford Johnston (1889-1947), plant physiologist and head of the Division of Radiation and Organisms, Smithsonian Astrophysical Observatory, with one of the copper cages within which plants grew in a synthetic atmosphere, under electric light with glowing gas-tubes to add extra doses of certain special colors.
Smithsonian Institution Archives, Accession 90-105, Science Service Records, Image No. SIA2008-4442
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520
Black-and-white photographs
SIA Acc. 90-105 [SIA2008-4442]
Gelatin silver prints