anchor.diff:  Glenn Theodore Seaborg,
   Glenn W Burton,
   Glenn Watkins,
  -Godfrey Matthew Hewitt,
  +Godfrey Matthew Hewitt,0
   Godfrey N. Hounsfield,
   Gopal Prasad,
   Gopalasamudram Narayana Iyer Ramachandran,
  
positive.code: David P. Anderson,
  David P. Craig,
  David P. Currie,
  David Pearce Penhallow,
  David Peter Stroh,
  David Pines,
  David R. Brown,943
  
negative.code: Anton Pelinka,
  Anton Vilsmeier,17
  Antoni Zygmund,145
  Antonio Ambrosetti,200
  Antonio Caetano de Abreu Freire Egas Moniz,
  Antonio Caso,156
  Antonio Luque,897
  