Emilio Segrè Visual ArchivesA collection of more than 30,000 historical photographs, slides, lithographs, engravings, and other visual materials on American physicists and astronomers of the twentieth century, as well as many scientists in Europe and elsewhere, in other fields related to physics, and in earlier times. This is part of the Niels Bohr Library of the Center for History of Physics at the American Institute of Physics.