anchor.diff:  Ronald Milne,
   Ronald Montagu Burrows,7
   Ronald N. Hartman,
  -Ronald R. Edmonds,
  +Ronald R. Edmonds,28
   Ronald Rivera,34
   Ronald Ross,1.340
  -Ronald T. Raines,
  +Ronald T. Raines,475
   Ronald Vale,
   Ronny Reich,
   Rosalind Franklin,114
  
positive.code: Peter Huttenlocher,
  Peter J. Barnes,1.370
  Peter J. Denning,546
  Peter J. Fos,
  Peter Jephson Cameron,12
  Peter Karter,
  Peter Keevash,
  
negative.code: Joel Emer,
  Joel G. Colton,5
  Joel Henry Hildebrand,
  Joel Mokyr,404
  Joel Sussman,
  Johan Galtung,
  Johan Hjort,
  