Locus is reporting that Everett F. Bleiler has died. For those unfamiliar with his work, he was perhaps the preeminent science fiction bibliographer and historian. His Checklist of Fantastic Literature was the first truly important SF bibliography, and his books Science-Fiction: The Early Years and Science-Fiction: The Gernsback Years are probably the most extensive and exhaustive coverage of pre-Campbellian SF ever published. His bibliographic knowledge of the field was so extensive that, among the living, only George Locke and Lloyd Currey even come close. (Though Texas’ own Jess Nevins is getting there.) I’ve reached for one of his works many a time, as have every serious SF bibliographer, historian, book seller or book collector. He will be missed, but people will still be consulting his books a century from now.