Shared speaking history
Johann Hari & Tim Harford
Both spoke at 1 of the same event
JH
Johann Hari
Social commentator on mental health & addiction | Author of 'Lost Connections' and 'Chasing the Scream'
Tim Harford
Author of The Undercover Economist | Financial Times Columnist | BBC Presenter
Events they've both spoken at
TEDGlobal>London
Jun 2015