William Elsworth Blackbeard (April 28, 1926 – March 10, 2011), better known as Bill Blackbeard, was a writer-editor and the founder-director of the San Francisco Academy of Comic Art, a comprehensive collection of comic strips and cartoon art from American newspapers. This major collection, consisting of 2.5 million clippings, tearsheets and comic sections, spanning the years 1894 to 1996, has provided source material for numerous books and articles by Blackbeard and other researchers.