Pictures of the ceremony in front of the house of the von Neumann family, October 16, 2003
Left: Arthur Jaffe (Harvard University), representative of the American Mathematical Society. Midle: Dénes Petz (BUTE, Budapest), representative of the János Bolyai Mathematical Society. Right: Kálmán Kovács, minister of informatics and telecommunication.
Arthur Jaffe with the stone plaque behind him and the plaque itself:

the plaque

Conversation before the ceremony

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