It's hardly fair to call EY Egan's 'biggest fan'
I based this description on Yudkowsky's comments here, where he says of Permutation City, "This is simply the best science-fiction book ever written [...] It is, in short, my all-time favorite."
That makes Egan the thing Yudkowsky is the biggest fan of. It does not make Yudkowsky to be Egan's biggest fan.
From a review of Greg Egan's new book, Zendegi:
(Original pointer via Kobayashi; Risto Saarelma found the review. I thought this was worthy of a separate thread.)