Electron see also Electron Lorentz, H.A. The Theory of Electrons and Its Applications to the Phenomena of Light and Radiant Heat. Leipzig, Germany: Teubner, 1909. 332 p. 2nd ed., 1916, 343 p. Reprint by Jacques Gabay, 1992, http://www.gabay.com/. MacGregor, Malcolm Herbert. The Enigmatic Electron. Dordrecht, Netherlands: Kluwer, 1992. 207 p. Millikan, Robert Andrews. The Electron: Its Isolation and Measurement and the Determination of Some of its Properties. Chicago, IL: University of Chicago Press, 1921. 268 p. $?. Millikan, Robert Andrews. The Electron: Its Isolation and Measurement and the Determination of Some of its Properties. Chicago, IL: University of Chicago Press, 1963. 268 p. $?. Millikan, Robert Andrews. Electrons (+ and -), Protons, Photons, Neutrons, Mesotrons and Cosmic Rays, 2nd rev. ed. Chicago: University of Chicago Press, 1947. 652 p. A third revision of The Electron. Rosenfeld, L. Theory of Electrons. New York: Dover, 1965. 119 p. Reprint of 1st edition, North-Holland Pub., 1951.