Schrödinger–Planck–Einstein–Lorentz Briefe Zur Wellenmechanik

Edited by K. Przibram Vienna: Springer-Verlag. 1963. Pp. 67. Price 18s. The majority of these letters belong to those exciting months of April to June 1926, during which Schrödinger struggled with others as well as with himself in order to smooth out the difficulties of his theory. They make fascinating reading.