Richard HansenHistorian and photographer Richard Hansen has been doing 1906 photographic shows since 1970. He cofounded the website sfmuseum.org, which covers San Francisco history with a focus on the earthquake and fire of 1906, with David Fowler in 1990. The website is also home to the great register covering those who perished in 1906, compiled by Gladys Hansen, city archivist emerita of San Francisco. Read More Read Less