The hundred and fifty years before the Protestant Reformation
used to be seen as a period of religious decadence. More recently,
they have been understood as an era of rather anxious piety, in
which the faithful purchased indulgences, went on...
John Norris Bahcall, Richard Black Professor of Astrophysics in
the School of Natural Sciences at the Institute for Advanced Study,
recipient of the National Medal of Science, president of the
American Astronomical Society, President-Elect of the...