Marcon

A Regional convention held in Columbus Ohio from 1966 and originally sponsored by the Olentangy SF Society. Sine around 1996, it has been sponsored by a 501(c)3 organization called the SOLAE Foundation, the Science Oriented Literature and Arts Education Foundation which also runs other, one-shot conventions.

Marcon allegedly stands for "Multiple Alternative Realities Convention," but actually was chosen to reflect the month, March, in which it was held.

Convention	Dates	Guests
Marcon I	March 1966	none
Marcon II	April 8-9, 1967	Roger Zelazny
Marcon III	March 30-31, 1968	Fred Pohl
Marcon IV	March 28-30, 1969	Terry Carr
Marcon V	March 20-22, 1970	Gordon R. Dickson
Marcon VI	March 26-28, 1971	Lester del Rey
Marcon VII	1972	Roger Zelazny
Marcon VIII	1973	Anne McCaffrey
Marcon IX	March 29-31, 1974	Hal Clement
Marcon X	March 21-23, 1975	James Gunn
Marcon XI	March 19-21, 1976	Joe Haldeman, Randy Bathurst
Marcon XII	March 18-20, 1977	Howard DeVore
Marcon XIII	April 14-16, 1978	A. Bertram Chandler, Larry Smith, Bob Hillis
Marcon XIV	March 16-18, 1979	Katherine Kurtz, Fred Haskell
Marcon XV	May 2-4, 1980	L. Sprague de Camp, Brian Earl Brown
Marcon XVI	March 13-15, 1981	Andy Offutt, Bob Passavoy, Anne Passavoy
Marcon XVII	April 30-May 2, 1982	Hal Clement, Buck Coulson
Marcon XVIII	May 13-15, 1983	James Hogan, George Laskowski
Marcon XIX	May 18-20, 1984	C. J. Cherryh, Todd Cameron Hamilton
Marcon XX	May 10-12, 1985	Larry Niven, Carl Lundgren, Bill Maraschiello
Marcon XXI	May 16-18, 1986	Roger Zelazny, Frank Kelly Freas, Bill Maraschiello
Marcon XXII	May 1987	Michael Kube-McDowell, David Mattingly, Bill Roper, Kevin Siembieda, Tom Savini
Marcon XXIII	April 29 - May 1, 1988	David Brin, Michael Whelan, Kevin Siembieda
Marcon XXIV	April 28-30, 1989	Hal Clement, Todd Cameron Hamilton, Barry and Sally Childs-Helton, Steve Jackson
Marcon XXV	May 18-20, 1990	George R. R. Martin, Melinda Snodgrass, Gahan Wilson, Murray Porath, Chris Claremont
Marcon 26	April 26-28, 1991	C. J. Cherryh, Lois McMaster Bujold, Rowena Morrill, Juanita Coulson, Dick Spelman, Lee Weeks, Melinda Snodgrass
Marcon 27	May 22–25, 1992	Roger Zelazny, Orson Scott Card, Randy Asplund-Faith, Steve and Sue Francis, Richard Tucholka
Marcon 28	April 23-25, 1993	Mike Resnick, Jane Yolen, Ray Van Tilberg, Michael Longcor, Dennis O'Neil, Julius Schwartz
Marcon 29	May 13-15, 1994	Philip José Farmer, Barbara Hambly, Boris Vallejo, Julius Schwartz, Jane Robinson, David Ivey, Forrest J Ackerman, White Wolf Games
Marcon 30	May 5-7, 1995	Spider & Jeanne Robinson, Ray Harryhausen, Forry J Ackerman, Kathy Mar, Jacqueline Ward
Marcon 31	May 3-5, 1996	J. Michael Straczynski, Katherine Kurtz, Larry Elmore, Animal X, Joey Shoji, Richard Biggs, Patricia Tallman, Brinke Stevens
Marcon 32	May 9-11, 1997	Harry Turtledove, J. Michael Straczynski, Ricia Mainhardt, Julius Schwartz, Juanita Coulson, B. J. Mitias, Richard S. Brougton, Fyberdyne Laboratories, Games Workshop,Tracy Torme, Ed Wasser, Bruce Zabel
Marcon 33	May 1-3, 1998	Lois McMaster Bujold, Robin Wood, Ookla the Mok, Julius Schwartz, Joel Rosenberg, Dr. Tom Burns
Marcon 34	May 7-9, 1999	David Drake, Erin McKee, Steve Saffel, Syntax
Marcon 35	May 26-28, 2000	Janny Wurts, Don Maitz, Steve MacDonald, Josef and Kit Matulich, Kevin and Maryann Siembieda, Richard Chevolleau, Leni Parker, and Dr. Demento
Marcon 36	May 25–27, 2001	Robert Jordan, Ellisa Mitchell, Bob Passavoy and Ann Passavoy, Ray Van Tilberg, Gary Lockwood, James P. Hogan
Marcon 37	May 24–26, 2002	David Weber, Bruce Coville, James Wappel, Stephen Pagel, Zander Nyrond, Catherine Asaro, Kathy Hamilton, Fyberdyne Laboratories, Rod Roddenberry, Cheapass Games
Marcon 38	May 23–25, 2003	Jack Vance, J. Gregory Keyes, Bill & Brenda Sutton, Judith & Dave Hayman, Rod Roddenberry, Kenny Baker, Richard Biggs
Marcon 39	May 28–30, 2004	Laurell K. Hamilton, Bob Eggleton, Ellen Datlow, Cecilia Tan, Cynthia McQuillin, Jane Robinson, Julie Zetterberg, Hugh S. Gregory, Bjo & John Trimble, Twilight Creations
Marcon 40	May 27–29, 2005	Tom Smith, Barry and Sally Childs-Helton, Richard Hatch
Marcon 41	May 26–28, 2006	George R. R. Martin, Jody Lee, David G. Hartwell, Dave & Judith Hayman, Chris Kramer, B. J. Mitias, Steve Lee, Rod Roddenberry, David Franklin, Michael DeMeritt, Pieramyd Productions, EB Games / Gamestop
Marcon 42	May 25–27, 2007	Keith R. A. DeCandido, Laura Reynolds, John Mosby, Three Weird Sisters (Gwen Knighton, Brenda Sutton and Teresa Powell), Pierre and Sandy Pettinger, G. Patrick Molloy, Looney Labs, Nancy Janda, Kevin Sorbo and Rick Faraci
Marcon 43	May 23–25, 2008	Robert Asprin, Jody Lynn Nye, Ray Van Tilburg, Toni Weisskopf, Alexander James Adams, Sister Sola, Hank Reinhardt, Kevin Standlee, Rebecca Forstadt, Marc Singer, Leah Cairns, Wizards of the Coast
Marcon 44	May 22–24, 2009	Simon R. Green, Patricia McCracken, Chris Conway, Jordin Kare, David H. Lawrence XVII
Marcon 45	May 28-30, 2010	Wen Spencer, Billy Tackett, Seanan McGuire, Twilight Creations, Richard Hatch
Marcon 46	May 27-29, 2011	F. Paul Wilson, Eric Flint, John Jude Palencar, Harry Turtledove, Leslie Fish, Brent Keith
Marcon 47	April 6-8, 2012	Tamora Pierce, Sarah Clemens, Paula Guran, Dr. Bradley Lepper, Erica Neely, Manu Intiraymi
Marcon 48	March 29-31, 2013	Joe Haldeman, Heather Kreiter, Toyboat, Jeff Dee, Gay Haldeman
Marcon 49	May 9-11, 2014	Glen Cook, Heather Dale, Ben Deschamps, Eric Flint
Marcon 50	May 8-10, 2015	Many returning GoHs
Marcon 51	May 6–8, 2016	Seanan McGuire, James Wappel, S. J. Tucker, Mogchelle Cosplay, Geoffrey A. Landis, Kris Holder-Ried, The Onyx Path Publishing
Marcon 52	May 12-14, 2017	Jacqueline Carey, Kristen Simmons, Charles Urbach, Talis Kimberley, Alexa Heart, Phil and Kaja Foglio, Jason Hardy, Jason Marsden
Marcon 53	May 11-13, 2018	Larry Elmore, Juanita Coulson, Todd Cameron Hamilton, F. Paul Wilson, Cinda Williams Chima, David Lee Pancake, Dandelion Wine, Shoshie Bauer, Alexa Heart, Mogchelle Cosplay, Charles Xavier Conley,Gary Graham
Marcon 54	May 10-12, 2019	Charles E. Gannon, John Picacio, Rebecca Moesta, Bob and Connie Trembley, The Hopeful Romantics, David Gerrold
Marcon 55	May 8-10, 2020 March 7-9, 2021	Carrie Vaughn, Sara Felix, Wolfgang Rumpf, The Blibbering Humdingers, Wreck the System

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Convention
Website	1966—

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