SAN FRANCISCO, California, Sept. 11 -- The Exploratorium issued the following news release: The Exploratorium is deeply saddened to announce the recent passing of Lynn Rankin, 77, in San Francisco. A champion for science education, Lynn was the founder and longtime Director of the Exploratorium's Institute for Inquiry (IFI), a national professional development center for K-5 leaders and practitioners of elementary science education. Lynn fiercely believed in the power of professional developme  more