Mark also ran the History Society at Fettes College from 1983 to 2002. In that time the following speakers & panellists participated:
Alexander Nove – former Director of the Institute of Soviet and East European Studies, Glasgow University
Allan Massie – Historian, novelist and journalist
Dr Gerald Howat – Biographer and historian
Dr Jeremy Crang – Deputy Director of the Centre of Second World War Studies, Edinburgh University
Dr Jill Stephenson – Edinburgh University
Dr John Gooding – Edinburgh University
Dr Martin Pugh – former Professor of Modern British History, Newcastle University
Dr Paul Addison – former Director of the Centre of the Second World War Studies, Edinburgh University
Lord Douglas-Hamilton – MP for Edinburgh West and historian / biographer
Marianne Mackinnon – Author
Neville Clark – Vietnam veteran and former Headmaster of Mentone Grammar School, Melbourne
Owen Dudley Edwards – Edinburgh University
Professor Eric Evans – Emeritus Professor of History, Lancaster University
Professor Keith Robbins – former Professor of Modern History, Glasgow University
Professor Maurice Larkin – former Professor of Modern History, Edinburgh University
Professor Sir Hew Strachan – Chicele Professor of the History of War, All Souls College, Oxford
Robert Anderson – Edinburgh University
Terence F. Cole – Edinburgh University
Trevor Royle – Editor of the Sunday Herald and military historian