Two letters (typed, signed) from Albert Einstein, one discussing Sternglass's overemphasis on Kant and the importance of terminology in dictating thought. The second related to the voltage necessary to create a neutron from an electron. Also, some newspaper clippings mentioning Einstein and Sternglass and a copy of a letter from Louis de Broglie to an unknown individual (found amongst the Einstein letters)., 1947-1963, manuscript box: 72 - Folder 1, Folder: 6842m. Ernest J. Sternglass papers, 6842. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/550645 Accessed August 28, 2026.