ACM OOPSLA '96
Program Chair: JimCoplien, Bell Labs
Lotsa great papers, some awesome panels (SoftIssuesAndOtherHardProblems), and really major keynotes from folks like FengHsiungHsu, LarryConstantine, AllenWirfsBrock, JamesGosling, and ChristopherAlexander.
Further details at http://www.acm.org/sigplan/oopsla/oopsla96/oopsla96.html.