C. Jayaratnam Eliezer
Rev. Mod. Phys. 19, 147 (1947) - Published 1 July, 1947
Robert E. Marshak
Rev. Mod. Phys. 19, 185 (1947) - Published 1 July, 1947
Eugene Feenberg
Rev. Mod. Phys. 19, 239 (1947) - Published 1 July, 1947