File:William Kahan.jpgDescriptionWilliam Kahan.jpg Italiano: Foto di William Kahan Date 2008 Source https://opc.mfo.de/detail?photo_id=13645 Author creator QS:P170,Q16198978
File:2012-06-15 William Kahan.jpgor your use. https://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue 5 January 2024 English William Kahan, 2012
File:William Kahan 2008.jpgDescriptionWilliam Kahan 2008.jpg William Kahan at Berkeley, California in 2008 Date 2008 Source Scanned via Epson Perfection V370; see also https://opc
File:William Kahan 2008 (cropped).jpgDescriptionWilliam Kahan 2008 (cropped).jpg William Kahan at Berkeley, California in 2008 العربية: وليام كاهان في بيركلي، كاليفورنيا عام 2008 Date 2008