Okay, let me start by saying that I agree with most of the usual suspects regarding the decline of hat-wearing: JFK, hippie counter-culture, et al. That said, bear with me while I try out this half-baked theory: Did we imagine ourselves into a hatless future a long time ago, in the midst of the Golden Age? I'm going strictly from memory here, so I'm open to examples that would poke holes in this, but it seems like the images of "the future" from pulp covers, movies (and later, TV), toys, etc. didn't include men wearing hats -- at least not anythign resembling "fedora/homburg" types. From what I've seen, the denizens of the future would either be wearing (if space explorers) "fishbowl" helmets or "Buck Rogers" numbers, if anything, while most of the earthbound citizens would be hatless. I tried to think of exceptions, such as in the movie "Forbidden Planet," but when Leslie Nielsen and company wore hats in that film, their lids were -- you guessed it -- caps! So with space exploration in the 60s, coupled with the belief that the "future is now," did past images of the future play a tiny role in making fedoras "old hat" years before they might have otherwise?