This gathering was the largest of several which took place in 1976, 1978, 1981, and 1984. The gracious hospitality of the Cambridge mathematicians (particularly Raymond Lickorish) was much appreciated.

First row

Andrew Casson, Larry Siebenmann, Raymond Lickorish, Steve Bleiler, Lucia Contreras-Caballero, Paul Melvin, Jean-Pierre Otal, Guillermo Sienra, Tim Cochran, Dave Schorow.

Second row

Bill Menasco, Daniel Lines, Alain Caudron, Dennis Barden, Ken Millett, Cameron Gordon, Selman Akbulut, Rob Kirby, Joel Hass, Bob Edwards.

Third row

(hidden) Ric Litherland, Marty Scharlemann, Francis Bonahon, John Hempel, Alex Suciu, A. Lascuran, John Conway.

Fourth row

David Seal, Francoise Michel, Darren Long, Danny Ruberman, D. Andrus, Claude Weber, Iain Aitchison, Peter Scott, Bob Penner, John Rickard.