Each year, Congregate remembers contributors that we have lost from the science fiction and fantasy world. The tradition began in memory of Aaron Allston, who was well known for his love of Hawaiian shirts.

We encourage everyone to wear a Hawaiian shirt on Friday of the convention, in honor of:​

• Alan Arkin
• Sue Arroyo
• Michael Bishop
• Terry Bisson
• Richard Bowes
• Fred Chappell
• Jamie Christopher
• Sherrie Cronin
• John R. Douglas
• David Drake
• Joe Flaherty
• Michael Flynn
• Chris Gauthier
• Mark Goddard
• Louis Gossett Jr.
• Gary Graham
• Jennell Jaquays
• Ron Cephas Jones
• Mary Kane
• Piper Laurie
• Brian Lumley
• David McCallum
• James A. Moore
• Steve Miller
• Kenneth Mitchell
• Cindy Morgan
• Jaime Lee Moyer
• Weston Ochse
• Christopher Priest
• Tom Purdom
• Paul Ruebens
• Sydney J. Van Scyoc
• Arleen Sorkin
• Nicky Singer
• David J. Skal
• Brian Stableford
• RJ Theodore
• Michael D. Toman
• John Trimble
• Shawna Trpcic
• Tim Underwood
• Vernor Vinge
• Howard Waldrop
• Jim Ward
• Carl Weathers