2024 (Cardiff)
2022 (Rethymnon)
2018 (Arosa)
2016 (Taipei)
2014 (St. Petersburg)
2012 (Paris)
2010 (Santa Cruz)
2008 (Dalian)
David Parker, Melanie Schnell
Tanya Zelevinsky
King-Chuen Lin
David W. Chandler, Toshio Kasai, Angel González Ureña
Vincenzo Aquilanti, Kopin Liu
Hans-Jürgen Loesch
Raphael D. Levine, Richard N. Zare
Steven Stolte