Many of the effects of nuclear fallout and radiation have been intentionally hidden by governments around the world. Activists demanding recognition and justice have helped spur public awareness. Many Downwinders fought for years, in the press and in the courts, to have their health and environmental concerns taken seriously. Just as radiation is invisible, many of these stories continue to be unseen. From 2017 to 2020, Jacob Hamblin and Linda Richards facilitated the Oregon State University Downwinders Project, sponsored by the National Science Foundation, to support research and scholarship on the Downwinders cases near the Hanford nuclear site in Washington. Additionally, each summer the project team sponsored a workshop that brought a variety of stakeholders together to explore the science, history, and lived history of radiation exposure. These workshops took a broad view of nuclear contamination, beyond Hanford, beyond the United States, and beyond academia. Community members and activists presented their testimonies and creative work alongside scholars studying exposure worldwide. Making the Unseen Visible collects some of the best work arising from the project and its workshops. Scholarly research chapters and reflective essays cover topics and experiences ranging from colonial nuclear testing in North Africa to uranium mining in the Navajo Nation and battles over public memory around Hanford. Scholarship on nuclear topics has largely happened on a case study basis, focusing on individual disasters or locations. Making the Unseen Visible brings a variety of current community and scholarly work together to create a clearer, larger web uniting nuclear humanities research across time and geography.