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Jeff OBruce is right about Wharton-Tiger, who is unquestionably the most famous tobacco card collector ever in England. If you want to get an understanding of what he contributed to the hobby, spend the money and pick up a five volume set of The World Index - it makes the ACC look like a comic book (and I love the ACC!).
When I was in England in 2001 I went to the British Museum and they had a small sampling of his collection on display... and I was very surprised to see a T206 Wagner staring at me out of one of the cases. Never figured I'd have to travel to London to see on in person.
Jeff