Image: James Batcheller Sumner
James_Batcheller_Sumner.jpg (280 × 396 pixels, file size: 60 KB, MIME type: image/jpeg)
Description: James Batcheller Sumner (November 19, 1887 – August 12, 1955)
Title: James Batcheller Sumner
Credit: http://www.nobelprize.org/nobel_prizes/chemistry/laureates/1946/sumner.html
Author: Unknown authorUnknown author
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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