The oft-mentioned so-called 'Flat Earth Society' consisted pretty much of one man (in England I think from memory, but can't be bothered looking it up).The man in the UK was probably the founder of the Universal Zetetic Society (
link) Samuel Shenton. Until his death in 2001, Charles K Johnson lead the group from Lancaster, CA. There are some members worldwide. The BBC had this to say about the flat-earthers recently (
link). There's an online presence via a forum (
link). Enjoy. ("Now, where did I bookmark that Luddite group's URL?") I've found that you can find people who believe in almost anything, but then I've lived in California most of my life, and it's a well-known kook-magnet. Must be the clement weather.