anchor.diff:  Andrew Forsyth,
   Andrew Gleason,
   Andrew Huxley,200
  -Andrew J Richards,
  +Andrew J Richards,12
   Andrew J. Majda,
   Andrew Keller,
   Andrew Lang,1.140
  
positive.code: Har Gobind Khorana,
  Harald Helfgott,
  Harald zur Hausen,
  Harley Flanders,
  Harlow Shapley,
  Harold Baily Dixon,
  Harold Brewer Hartley,
  
negative.code: Donald A. Glaser,86
  Donald Arthur Glaser,
  Donald B. Gillies,
  Donald Burgess,253
  Donald C Baker,77
  Donald C. Spencer,
  Donald Calne,254
  