Correspondence, manuscripts of writings, reprints, published proceedings of symposia and meetings, laboratory notebooks, grant proposals and reports, research notes, calculations, illustrations, graphs, course materials, biographical information, publications, and other papers, relating to the role of scientists in society and politics, international scientific meetings, Pugwash conferences, the National Science Foundation, the Bulletin of the Atomic Scientists, atomic energy, spectroscopy, university affairs, research in photosynthesis, photobiology, biophysics, photochemistry,