– Filk Guest of Honor Lois McMaster Bujold – Author Guest of Honor Rowena Morrill – Artist Guest of Honor "Moonwulf" Michael Longcor – Toastmaster Richard Spelman – Fan Guest of Honor Marcon XXV 1990 George R. R. Martin – Author Guest of Honor Melinda Snodgrass – Author Guest of Honor Gahan Wilson – Artist Guest of Honor Murray Porath – Filk Guest of Honor Chris Claremont – Special Comic Book Guest of Honor Edward Bryant – Featured Guest John J. Miller – Featured Guest Stephen Leigh – Featured Guest Walter Jon Williams – Featured Guest Howard Waldrop – Featured Guest Walton Simons – Featured Guest Lois McMaster Bujold – Featured Guest 1980s Marcon XXIV 1989 – 1244 attendees Hal Clement – Guest of Honor Todd Cameron Hamilton – Artist Guest of Honor Barry and Sally Childs-Helton – Filking Guests of Honor Steve Jackson – Gaming Guest of Honor Marcon XXIII 1988 – 1050 attendees David Brin – Guest of Honor Michael Whelan – Artist Guest of Honor Bill Sutton – Toastmaster Kevin Siembieda – Gaming Guest of Honor Marcon XXII 1987 – 960 attendees Michael P. Kube-McDowell – Guest of Honor David Mattingly – Artist Guest of Honor Juanita Coulson – Toastmaster Kevin Siembieda – Gaming Guest of Honor Tom Savini – Media Guest of Honor Bill Roper – Fan Guest of Honor Marcon XXI 1986 – 1056 attendees Roger Zelazny – Guest of Honor Kelly Freas – Artist Guest of Honor Andrew J. Offutt – Toastmaster Bill Maraschiello – Con Musician Marcon XX 1985 – 723 attendees Larry Niven – Guest of Honor Carl Lundgren -Artist Guest of Honor Bill Maraschiello – Con Musician Marcon XIX 1984 – 592 attendees C. J. Cherryh – Guest of Honor Todd Cameron Hamilton – Artist Guest of Honor Marcon XVIII 1983 – 440 attendees James P. Hogan – Guest of Honor Marcon XVII 1982 – 379 attendees Hal Clement – Guest of Honor Juanita Coulson – Toastmaster Buck Coulson – Fan Guest of Honor Marcon XVI 1981 – 426 attendees Andrew J. Offutt – Guest of Honor Marcon XV 1980 – 383 attendees L. Sprague de Camp – Guest of Honor Catherine Crook de Camp – Toastmaster 1970s Marcon XIV 1979 – 372 attendees Katherine Kurtz – Guest of Honor Wilson (Bob) Tucker – Toastmaster Marcon XIII 1978 – 264 attendees A. Bertram Chandler – Guest of Honor Marcon XII 1977