To try to reform all the power structures at once would leave us with no power structure to use in our project. In any case, we will be able to see that absolute moral renewal could be attempted only by an absolute power and that a tyrannous force such as this must destroy the whole moral life of man, not renew it.

An outstanding teacher; two of his pupils won Nobel Prizes. He emigrated to Germany working at the Kaiser Wilhelm Institute and then to England working at the University of Manchester. He pioneered the theory of fiber diffraction analysis in 1921 and the dislocation theory of plastic deformation of ductile metals and other materials in 1934.