Attribution: John Cummings, Wikipedia in “Usmaradio” for the radio program “Scuola di pensiero / School of Thought” by Iolanda Pensa, recorded at Wikimania Stockholm, Sweden, August 2019, cc by-sa all.
Photo by VGrigas (WMF), 2015, courtesy Wikimedia Commons, cc by-sa 4.0.
Link: https://commons.wikimedia.org/wiki/File:John_Cummings.jpg
