Dan Henningson, Henrik Alfredsson and Arne Johansson organized a workshop on the topic of transition to turbulence at Roslagens Pärla, Ljusterö, August 31 - September 2. There was about 30 participants from various universities and research centers in Sweden, Norway, Germany, Russia, Japan, USA and Switzerland.
Dan Henningson also organized a workshop on 'bypass transition' June 13-23, 1994 with about ten participants (three from USA).