$ hg log --template "{author|person}\n" | sort | uniq -c | sort -nr
   3441 Russ Cox
   2019 Rob Pike
   1717 Robert Griesemer
    773 Andrew Gerrand
    508 Ken Thompson
    430 Brad Fitzpatrick
    384 Ian Lance Taylor
    257 Alex Brainman
    238 Adam Langley
    227 Nigel Tao
    200 David Symonds
    153 Kai Backman
    152 Mikio Hara
    132 Gustavo Niemeyer
    108 Shenghou Ma
    105 Luuk van Dijk
    101 Austin Clements
     80 Dmitriy Vyukov
     76 Evan Shaw
     76 Dave Cheney
     74 Anthony Martin
     70 Roger Peppe
     60 Andrew Balholm
     58 Christopher Wedgwood
     57 Charles L. Dorian
     56 Yasuhiro Matsumoto
     49 Robert Hencke
     48 Rémy Oudompheng
     44 Lucio De Re
     44 Joel Sing
     43 Scott Lawrence
     43 Mike Samuel
     41 Wei Guangjing
     39 Devon H. O'Dell
     34 Hector Chu
     28 Marcel van Lohuizen
     28 Albert Strasheim
     27 Joe Poirier
     26 Petar Maymounkov
     25 Peter Mundy
     23 Fazlul Shahriar
     22 Kyle Consalus
     20 Benny Siegert
     19 Mikkel Krautz
     19 Francisco Souza
     18 Michael Hoisie
     18 Ivan Krasin
     17 Andrey Mirtchovski
     15 Volker Dobler
     15 Stephen Ma
     15 Stefan Nilsson
     15 Olivier Duperray
     14 Yuval Pavel Zholkover
     14 Eoghan Sherry
     13 Jaroslavas Počepko
     12 Dmitry Chestnykh
     12 Dean Prichard
     11 Maxim Pimenov
     11 Fumitoshi Ukai
      9 Sameer Ajmani
      9 Mike Rosset
      9 Giles Lean
      9 Anthony Starks
      8 Vinu Rajashekhar
      8 Ryan Hitchman
      8 Quan Yong Zhai
      8 Paul Borman
      8 Anschel Schaffer-Cohen
      7 Ross Light
      7 Graham Miller
      7 Eric Eisner
      7 David G. Andersen
      7 Christopher Nielsen
      7 Christian Himpel
      7 Bobby Powers
      7 Alexey Borzenkov
      6 Tarmigan Casebolt
      6 Sanjay Menakuru
      6 Lorenzo Stoakes
      6 Kyle Lemons
      6 Kevin Ballard
      6 Jeff Hodges
      6 Gustav Paul
      6 Eden Li
      6 David Anderson
      5 Yves Junqueira
      5 William Josephson
      5 Sergio Luis O. B. Correia
      5 Pascal S. de Kloe
      5 Michael T. Jones
      5 Julian Phillips
      5 Jukka-Pekka Kekkonen
      5 Johan Euphrosine
      5 Jeff R. Allen
      5 James Whitehead
      5 Conrad Meyer
      5 Bill Neubauer
      4 William Chan
      4 Vish Subramanian
      4 Steve Newman
      4 Sebastien Binet
      4 Raif S. Naffah
      4 Micah Stetson
      4 Eric Clark
      4 David Crawshaw
      4 Brendan O'Dea
      3 Yongjian Xu
      3 Vincent Vanackere
      3 Vadim Vygonets
      3 Trevor Strohman
      3 Stephen Weinberg
      3 Sébastien Paolacci
      3 Peter Froehlich
      3 Michael Elkins
      3 Mathieu Lonjaret
      3 Luit van Drongelen
      3 Jongmin Kim
      3 Jim McGrath
      3 Jeremy Jackins
      3 Jan H. Hosang
      3 Icarus Sparry
      3 Gary Burd
      3 Florian Weimer
      3 Evan Martin
      3 Daniel Theophanes
      3 Corey Thomasson
      3 Christoph Hack
      3 Cary Hull
      3 Caine Tighe
      3 "Andrew Gerrand
      2 Tor Andersson
      2 Sergey 'SnakE' Gromov
      2 Sam Thorogood
      2 Ron Minnich
      2 Peter Williams
      2 Paul Sbarra
      2 Patrick Gavlin
      2 Paolo Giarrusso
      2 Môshe van der Sterre
      2 Miki Tebeka
      2 Mike Solomon
      2 Michał Derkacz
      2 Michael Shields
      2 Maxim Ushakov
      2 Lai Jiangshan
      2 Ken Rockot
      2 Keith Rarick
      2 Josh Goebel
      2 John DeNero
      2 John Asmuth
      2 Jamie Gennis
      2 James P. Cooper
      2 James Meneghello
      2 James Aguilar
      2 Hong Ruiqi
      2 Florian Uekermann
      2 Firmansyah Adiputra
      2 David Titarenco
      2 David du Colombier
      2 Dave Grijalva
      2 Dave Bort
      2 Dan Sinclair
      2 Damian Gryski
      2 Chris Lennert
      2 Chris Farmiloe
      2 Brian Kernighan <bwk>
      2 Bjorn Tipling
      2 Ben Lynn
      2 Balazs Lecz
      2 Aron Nopanen
      2 Andrei Vieru
      2 Adrian O'Grady
      2 Abhinav Gupta
      1 Ziad Hatahet
      1 Yuusei Kuwana
      1 Yoshiyuki Kanno
      1 Yissakhar Z. Beck
      1 Vincent Ambo
      1 Ugorji Nwoke
      1 Tom Szymanski
      1 Timo Savola
      1 Taru Karttunen
      1 Sven Almgren
      1 Sugu Sougoumarane
      1 Spring Mc
      1 Sergei Skorobogatov
      1 Scott Schwartz
      1 Roger Pau Monné
      1 Robert Figueiredo
      1 Risto Jaakko Saarelma
      1 Pieter Droogendijk
      1 Phil Pennock
      1 Peter Weinberger
      1 Péter Szabó
      1 Peter McKenzie
      1 Paul Lalonde
      1 Patrick Mylund Nielsen
      1 Padraig Kitterick
      1 Olivier Antoine
      1 Nigel Kerr
      1 Nicholas Waples
      1 Moriyoshi Koizumi
      1 Mikael Tillenius
      1 Miek Gieben
      1 Michael Lewis
      1 Matt Jones
      1 Matthew Horsnell
      1 Mateusz Czapliński
      1 Martin Neubauer
      1 Mark Zavislak
      1 Markus Duft
      1 Luca Greco
      1 Louis Kruger
      1 Larry Hosken
      1 Kirklin McDonald
      1 Ken Friedenbach
      1 Kei Son
      1 Jos Visser
      1 Jose Luis Vázquez González
      1 Jonathan Wills
      1 Jonathan Pittman
      1 Jonathan Mark
      1 Jonathan Allie
      1 John Beisley
      1 Jeffrey M Hodges
      1 Jan Newmarch
      1 Jan Mercl
      1 Jani Monoses
      1 James Toy
      1 James Fysh
      1 Jacob Baskin
      1 Ingo Oeser
      1 Gwenael Treguier
      1 Gideon Jan-Wessel Redelinghuys
      1 Fan Hongjian
      1 Esko Luontola
      1 Emil Hessman
      1 Eivind Uggedal
      1 David Jakob Fritz
      1 David Forsythe
      1 Darren Elwood
      1 Daniel Nadasi
      1 Daniel Krech
      1 Daniel Fleischman
      1 Clement Skau
      1 Christopher Redden
      1 Chris Jones
      1 Chris Hundt
      1 Chris Dollin
      1 Brian Kernighan <research!bwk>
      1 Brian Kernighan
      1 Blake Mizerany
      1 Berengar Lehr
      1 Ben Olive
      1 Ben Fried
      1 Ben Eitzen
      1 Arvindh Rajesh Tamilmani
      1 Anh Hai Trinh
      1 Andy Davis
      1 Andrew Skiba
      1 Andrew Pritchard
      1 Andrea Spadaccini
      1 Amrut Joshi
      1 Alexander Reece
      1 Alexander Orlov
      1 Aleksandar Dezelin
      1 Aaron Kemp