The CERN talk referred to in the article is also available as an mp3 audio here: https://archive.org/details/AlexandreGrothendieck-UneVieDigneDtreVcue https://a

The CERN talk referred to in the article is also available as an mp3 audio here: https://archive.org/details/AlexandreGrothendieck-UneVieDigneDtreVcue https://archive.org/details/AlexandreGrothendieck-UneVieDign... It's in French, but very touching to hear A. Grothendieck's voice.