Richard Saul Wurman: IA inventor
According to William Safire writing in the New York Times on May 6, 2001, Richard Saul Wurman says he invented the term information architect in 1975, when he was national chairman of the American Institute of Architects convention, called “The Architecture of Information.” The source of this information was on the ASIST SIG-IA website: http://www.asis.org/SIG/SIGIA/definition.html