Buckminster Fuller.

{{Information| |Description = The image of R. Buckminster Fuller c.1917 |Source = This image has been downloaded from the Stanford University Libraries and Academic Information Resources at http://www-sul.stanford.edu/depts/spc/fu</nowiki>

Originally from en.wikipedia; description page is/was here.
(Original text : This image has been downloaded from the Stanford University Libraries and Academic Information Resources at http://www-sul.stanford.edu/depts/spc/fuller/timeline2.html)

2007-04-20 (original upload date)
(Original text : 17:00, 20 April 2007 (UTC))

Original uploader was Emerson7 at en.wikipedia
(Original text : 'unknown')

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PD-OLD-70.
(Original text : It is believed that images published for more than seventy years are in the en:public domain and the use of this image is permitted under en:US copyright law governing public domain properties.)