This annual lecture invites thought leaders to tackle important social topics as a memorial to Lincoln Efford, a stalwart of the Canterbury WEA and a prominent figure in the New Zealand peace movement.
- 2019: Conflict, Activism and the Climate Crisis, Richard Jackson
- 2018: The Moral and Fiscal Failure of Prisons, Dr Ian Lambie
- 2015: A Centennial Address, Garry Moore
- 2014: The Costs of Violence and Benefits of Peace, Kevin Clements.
- 2013: Gender equality and social justice by Judy McGregor
- 2012: Could Greece or Iceland happen here? Jane Kelsey
- 2011: The new war against the planet, Jeanette Fitzsimons
- 2010: Is a peaceful, just and sustainable future possible? John Peet
2009: A blueprint for the future, Peter Williams QC