Michael Sperberg-McQueen

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C. Michael Sperberg-McQueen (May 18, 1954 – August 16, 2024) was an American medieval German philologist and markup language specialist. He was founder and co-chair of Extreme Markup Languages (later known as Balisage: The Markup Conference), founder and principal of Black Mesa Technologies, co-editor of the Extensible Markup Language (XML) 1.0 spec (1998), and chair of both the W3C XML Coordination Group and the XML Schema Working Group. ^[1]