Ohio man conceives Epcot?

Did an recently deceased Ohio man come up with the concept for Epcot?

• No Evidence Disney Stole Idea of Epcot - Sun Sentinel (11/16/2004)
  A Federal judge has dismissed the lawsuit that accused the Disney Company of stealing the idea for Epcot.
• Disney Holds Press Conference about Epcot Court Case - Orlando Business Journal (11/20/2000)
  Synopsis of the press conference held by the Disney Company to share the history of Epcot as they battle the charges of a family who claims Epcot was their father's idea.
• Whose Epcot is it? - Orlando Sentinel (11/14/2000)
  Negotiations between the family of a deceased man who claimed Epcot as his idea and the Disney Company have ended and both parties will most likely continue their claims in a courtroom.
• Family wants Disney to erect an honorary statue at Epcot - The Beacon Journal (6/1/2000)
• Family claims an Ohio man gave Disney the idea for Epcot - Toledo Blade (5/30/2000)