Attribution: Roberto Ciciliato - Threecharlie, progetti aviazione e guerra di Wikipedia in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Photo of Roberto Ciciliato by Marco Chemello (Wikimedia Italia), Padova, 2022, CC BY-SA 4.0

Attribution: Gianfranco, Wikipedia e la cultura italiana in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Photo userpage Gianfranco, https://it.wikipedia.org/wiki/Utente:Gianfranco

Attribution: Francesco - Sailko, Wiki Loves Monuments in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Photo Sailko, 2007, CC BY.SA 3.0/CC BY 2.0/GNU Free Documentation License, https://commons.wikimedia.org/wiki/File:User_pic_sailko_in_brooklyn_heights.JPG.

Attribution: Niccolò Rigacci, OpenStreetMap e il software libero in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Attribution: Edoardo Marascalchi, Wikimedia e OpenStreetMap in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Attribution: Gregorio Bisso - Ettorre, Il primo raduno nazionale di Wikipedia a Genova nel 2004 in "Usmaradio" for the radio program "Scuola di pensiero" by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Photo by Piotr P. Karwasz, in arte Schopenhauer, Wikiraduno a Genova, 26 giugno 2004, CC BY-SA 3.0. https://commons.wikimedia.org/wiki/File:Wikipedia_a_Genova_(26th_June_2004).jpg

Attribution: Frieda Brioschi - Frieda, Wikimedia Italia in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Photo by VGrigas (WMF), CC BY-SA.

Attribution: Maurizio Codogno - .mau., L'oscuramento di Wikipedia in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Attribution: Civvì, La comunità di scopo di Wikipedia e il codice universale di condotta in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Attribution: Giulia Clonfero - Xaura, Wikipedia e Wikimedia in Italia in “Usmaradio” for the radio program “Scuola di pensiero” by Iolanda Pensa, edited by Iolanda Pensa and Valerio Bozzolan, recorded for Wikipedia20, December 2020, CC BY-SA all.

Photo by Niccolò Caranti, CC BY-SA 3.0.