This is a preliminary announcement concerning a conference Categories in Algebra, Geometry, and Mathematical Physics to mark the 60th birthday of Ross Street. The conference will be held at Macquarie University in Sydney, Australia, during the period 11-15 July 2005. The conference website is at http://streetfest.maths.mq.edu.au/ and includes a preliminary list of participants. More information will be provided in due course. Michael Batanin Alexei Davydov Mike Johnson Steve Lack Amnon Neeman (the organizing committee) 22-Nov-2004 16:52:19 -0400,1395;000000000000-00000000