This site, created by Albert Van Helden of Rice University, offers information about the history of Galileo and other significant astronomers. There is also a section with several labs for interested students. The page also features a biography of Galileo, chronology of events, family members of Galileo, portraits of astronomers, short biographies of other prominent scientists, impacts of science of Christianity, a virtual library of resources, an about section and a site map. The page is a great resource for instructors. It features not only the before mentioned information, but also lesson plans for teachers.