Matt Wrack, Fire Brigades Union (FBU) general secretary, addressing the Socialism 2010 rally, photo T.U.Senan

Bob Crow, RMT general secretary, addresses Socialism 2009, photo by Paul Mattsson

Monique speaking at Socialism 2008, photo Paul Mattsson

Mark Serwotka, PCS general secretary, at Socialism 2007, photo Paul Mattsson

Socialism 2006, photo Paul Mattsson

Matt Wrack, FBU General secretary, speaks at Socialism 2005, photo Paul Mattsson