Ten of the best lectures in literature

At the Guardian, John Mullan named ten of the best lectures in literature.One title on the list:The Constant Gardener by John le CarréOld-school British diplomat Justin Quayle is married to Tessa, a campaigner against the shady activities of pharmaceuticals companies in Africa. They meet when the fiery Tessa attends a lecture Quayle gives on Britain's role in the third world. She berates him