Einstein told his secretary not to let in anyone who wants to talk to Einstein about the universe<ref>Story told to the author by Roy J. Blauber who was at the time Einstein's assistant in Princeton University in N.J. and later, for one year, author's physics teacher at Harvard, Cambridge, MA.</ref>. | Einstein told his secretary not to let in anyone who wants to talk to Einstein about the universe<ref>Story told to the author by Roy J. Blauber who was at the time Einstein's assistant in Princeton University in N.J. and later, for one year, author's physics teacher at Harvard, Cambridge, MA.</ref>. |