Chi era Martin Gardner

http://uomovivo.blogspot.com/2011/07/scuola-estiva-su-stanley-jaki-madrid.html

http://uomovivo.blogspot.com/2010/05/ancora-su-martin-gardner-un-post-da.html

http://uomovivo.blogspot.com/2010/05/grazie-ad-angelo-bottone-martin-gardner.html