He would only show up if he had already died. You said his exwife was still living so maybe he is also. I looked at www.whitepages.com for a Cleveland Brown there are so many to choose from in every state it would take you forever to sort through them. You could check for a divorce back in the 1950's in what ever county you believe they were living then. Even if he left her and didn't come back she still would most likely have filed for a divorce sometime later. I know that won't help you find him now. Good luck Lindsey