Jeff Sanders published “History Uncontained at the B Reactor,” a chapter in Making the Unseen Visible: Science and the Contested Histories of Radiation Exposure. The book is the final product of a series of workshops as part of the Oregon State University Downwinders Project, sponsored by the National Science Foundation. His contribution first appeared as a paper at the 2020 workshop: “75 Years after Hiroshima and Nagasaki: Science and the Contested Histories of Radiation Exposure.”