Of course, relative citation frequencies are no measure of relative importance. Who has not aspired to write a paper so fundamental that very soon it is known to everyone and cited by no one?

It was finiAbraham Paisd by Robert P. During Pais's childhood his father was an elementary schoolmaster headmaster and later the headmaster of the Sephardic Hebrew school. On May 8 Pais wrote to Rosenfeld at Liège to ask if he might continue his studies under him if his appointment came through and again on May 9 to congratulate him on his appointment.

D. from University of Utrecht just prior to a Nazi ban on Jewish participation in Dutch universities during World War II. When the Nazis began the forced relocation of Dutch Jews he went into hiding but was later arrested and saved only by the end of the war.