1. *Program in Science, Technology, and Society, and Department of Physics, Building E51-185, MIT, Cambridge, MA 02139; dikaiser@mit.edu.
2. My thanks to Shane Hamilton for his research assistance, and to Alexis De Greiff, Kenji Ito, John Krige, Elizabeth Paris, and John Rudolph for their helpful comments on an earlier draft.
3. The following abbreviations are used: AIP-EMD, American Institute of Physics, Education and Manpower Division Records, Niels Bohr Library, American Institute of Physics, College Park, MD; BAS, Bulletin of the atomic scientists; BDP, University of California, Berkeley, Department of Physics Records, Bancroft Library, Berkeley, CA; HDP, Harvard University Department of Physics Records, Pusey Library, Cambridge, MA; PDP, Princeton University Department of Physics Records, Seeley G. Mudd Manuscript Library, Princeton, NJ; PDP-AR, Princeton University Department of Physics Annual Reports, Seeley G. Mudd Manuscript Library, Princeton, NJ; PT, Physics today; RTB, Raymond Thayer Birge Correspondence and Papers, Bancroft Library, Berkeley, CA.
4. 1 Birge to William M. Roth, 31 May 1955, in
5. BDP, Folder 5:143.