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  • 21 Aug, 2019

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File:John Howard Northrop.jpg

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Date/TimeThumbnailDimensionsUserComment
current05:00, 3 February 2012Thumbnail for version as of 05:00, 3 February 2012280 × 396 (56 KB)Materialscientist{{Information |Description ={{en|1=John Howard Northrop (July 5, 1891 – May 27, 1987) }} |Source =http://www.nobelprize.org/nobel_prizes/chemistry/laureates/1946/northrop.html |Author =unknown |Date =1946 |Permission = |

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