The wave-particle dilemma
pp. 251-263
in: Jagdish Mehra (ed), The physicist's conception of nature, Berlin, Springer, 1973Abstract
The dilemma between wave and particle aspects of the various constituents of matter and radiation arose after Planck's discovery of the quantum of action, and Einstein's quite independent proposal of a sort of revival of the corpuscular theory of light, again including the concept of the quantum of action in the form of energy or light quanta