git log | grep Author: | sort  | uniq -c | sort -rn
     91 Author: Rob Sherwood <rob.sherwood@stanford.edu>
     20 Author: KK Yap <ykk@kkpc.Stanford.EDU>
     10 Author: Nadi Sarrar <nadi@net.t-labs.tu-berlin.de>
      5 Author: KK <yapkke@unhygienix.labs-exit.net>
      4 Author: David Erickson <derickso@stanford.edu>
      2 Author: Glen Gibb <grg@stanford.edu>
      2 Author: Andreas Wundsam <andi@net.t-labs.tu-berlin.de>
      1 Author: Xin Huang <xin.huang@telekom.com>
      1 Author: Amin Tootoonchian <amin@cs.toronto.edu>