Bohr-Wheeler 1939: fission proceeds through saddle-point shape; activation energy ~6 MeV for U-235; basis of nuclear-power + weapons design; Hahn-Strassmann 1938 chemistry.
Bohr-Wheeler 1939: fission proceeds through saddle-point shape; activation energy ~6 MeV for U-235; basis of nuclear-power + weapons design; Hahn-Strassmann 1938 chemistry.