Mark Killingsworth is on CollEc

rank value
closeness 7907 4.6704
betweenness 33218 0.03307

co-authors

  1. David Bloom [pbl79]
  2. John Abowd [pab175]
  3. James Heckman [phe22]
  4. Patricia Apps [pap16]
  5. Ray Rees [pre653]