William Katz (librarian)

William Armstrong "Bill" Katz (July 6, 1924 – September 12, 2004) was an American librarian, author, and editor. He was a professor of Library Science at the State University of New York at Albany. An internationally recognized authority on reference service, he is best known for his two-volume textbook, ''Introduction to Reference Work'', first published in 1969, as well as his editorship of various scholarly publications. Provided by Wikipedia