File:B.F. Skinner at Harvard circa 1950.jpg

B.F._Skinner_at_Harvard_circa_1950.jpg ‎(546 × 599 pixels, file size: 90 KB, MIME type: image/jpeg)

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	11:20, 29 April 2013		546 × 599 (90 KB)	Esquilo	Converted to true greyscale. Noise reduction.

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