David Hawdon is on CollEc

rank value
closeness 17350 5.42142
betweenness 19556 0.169649

co-authors

  1. Peter Pearson [ppe517]
  2. Paul Levine [ple338]
  3. Roger Fouquet [pfo63]
  4. Neil Rickman [pri139]
  5. Lester Hunt [phu173]