anchor.diff:  Paul Joskow,393
   Paul Julian,
   Paul Kalas,
  -Paul Karrer,
  +Paul Karrer,146
   Paul Kennedy,
   Paul Kirchhof,
   Paul Kocher,
  
positive.code: August Herman Pfund,
  Auguste Piccard,
  Augustin Banyaga,
  Augustin Deac,
  Aurel Friedrich Wintner,2
  Austin L. Wahrhaftig,
  Austin Mardon,
  
negative.code: Pranav Mistry,73
  Prasad V. Bharatam,187
  Prasanta Chandra Mahalanobis,43
  Predhiman Kaw,194
  Prem Pandey,179
  Preston Cloud,249
  Prince Louis-Victor Pierre Raymond de Broglie,
  