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Photo credit: Michael Cavotta. License: CC BY-NC-ND 4.0
Copyright by Peter Adams. (No licence. Contact Peter for use of his photos.)
"Portrait of Guido Van Rossum at the Dropbox headquarters in 2014.
Taken by San Francisco based photographer Dan Stroud." This file has a CC license.
Photo credit: Jason E. Kaplan. Email me for a larger version.