anchor.diff:  Kurt Fabri,
   Kurt Freund,
   Kurt H. Debus,
  -Kurt Lewin,
  +Kurt Lewin,642
   Kurt Mehlhorn,
   Kurt Mendelssohn,
   Kurt Reidemeister,
  
positive.code: Jeffrey Sachs,2.080
  Jeffrey Sean Lehman,
  Jennifer Rohn,
  Jens C. Skou,
  Jerald Ericksen,
  Jere Humphreys,
  Jeremiah P. Ostriker,
  
negative.code: Frederick 1st Baronet Treves,0
  Frederick Almgren,
  Frederick Bieber,71
  Frederick Chapman Robbins,2
  Frederick Fuller Russell,7
  Frederick G. Donnan,5
  Frederick Grant Banting,19
  