Judith Hoffberg passed away peacefully on January 16, 2009
Born May 19, 1934, Judith Hoffberg was a librarian, archivist, lecturer, a curator and art writer, and editor and publisher of Umbrella, a newsletter on artist’s books, mail art, and Fluxus art. She received an M.A. in Italian Language and Literature in 1960 and an M.L.S. from the UCLA School of Library Service in June 1964.
http://en.wikipedia.org/wiki/Judith_Hoffberg