Gallery
© Copyright 1998 Geometry and Topology Monographs. All rights reserved. Used with permission.
The "homeomorphisms group" at the Poenaru–Siebenmann birthday fest at Orsay in June 1999 (left to right): Bob Edwards, Larry Siebenmann, Rob Kirby, and A. V. Cernavskii. Kirby found his torus trick in August 1968 while examing Cernavskii's manuscript showing that the space of homeomorphisms of a topological manifold is locally contractible.
