PRESS DENOUNCES EINSTEIN'S PLAN TO RENOUNCE PRUSSIA (By International News Service) BERLIN, March 30.---Action of Prof. Albert Einstein, widely known physicist, in writing to the German embasBrussels for information "on sy in how I can best get rid of my Prussian citizenship," drew the fire German newspapers today. Einstein's move to renounce. his citizenship was termed an insult by the newspapers.