Lund symposium
Gunnar Ingelman (left) and Torbjörn Sjöstrand attended a symposium at Lund University, Sweden, in June to celebrate the 25th anniversary of the Lund model and to honour one of its pioneers, Bo Andersson, who died earlier this year (CERN Courier May). Both Ingelman and Sjöstrand were students of Andersson and his long-time collaborator Gösta Gustafson. The Lund model that they developed together has proved an indispensable tool for high-energy physics, and has given rise to a range of Monte Carlo event generators whose names - Ariadne, Jetset and Pythia, for example - are common currency to physicists. The original 1983 paper of Andersson, Gustafson, Ingelman and Sjöstrand has been cited some 1400 times.