Karl Marx og Friedrich Engels
Karl Marx
Friedrich Engels
Vladimir Lenin
Antonio Gramsci
Rosa Luxemburg
Leon Trotskij
Nikolai Bukharin
Felix Dsersjinskij
Karl Korsch
Anton Pannekoek
Georgij V. Plekhanov
Karl Radek
John Reed
Victor Serge
Grigorij Zinovjev
Otto Bauer
August Bebel
Karl Kautsky
Wilhelm Liebknecht
Socialistisk Internationale
Gustav Bang
Kai Moltke
Marie Nielsen
Carl Heinrich Petersen
Nicolaj L. Petersen
Børge Trolle
Tom Christiansen
Flemming Hansen
Ole Sloth Hansen
Martin B. Johansen
Dorte Lange
Hans Lauge
Jørgen Lund
Charlie Lywood
Jason Meyler
Michael Mogensen
Jakob Nerup
Hans Jørgen Vad
Abbie Bakan
Chris Bambery
Colin Barker
Peter Binns
Ian Birchall
Duncan Blackie
Alex Callinicos
Norah Carlin
Joseph Choonara
Pete Clark
Tony Cliff
Roger Cox
S. Freeman
Espen Gjøstøl
Mike Gonzalez
Peter Green
Duncan Hallas
Chris Harman
Nigel Harris
Charlie Hore
Derek Howl
Gareth Jenkins
Charlie Kimber
Rick Kuhn
Hassan Mahamdallie
Phil Marshall
Paul McGarr
John Molyneux
Kevin Ovenden
Tim Potter
Malcolm Povey
Maryam Poya
John Rees
Peter Robinson
Mike Simons
Sharon Smith
Colin Sparks
B. Vandesteeg
Andy Wilson
Jim Wolfreys
Steve Wright
Andy Zebrowski
Barry Coates
Emma Goldman
Ferdinand Lassalle
Ernest Mandel
Sameh Naguib
Filosofferne har kun fortolket verden forskelligt, men hvad det kommer an på, er at forandre den.
(Karl Marx: Teser om Feuerbach)