Philanthropy: From Aristotle to Zuckerberg Tapa dura -

Paul Vallely is an internationally acclaimed commentator on politics, religion and society. His bestselling biography, Pope Francis - Untying the Knots, won worldwide critical praise.

After three decades writing award-winning journalism from 30 countries, Vallely co-wrote Bob Geldof's best-selling autobiography Is That It? and wrote the Penguin edition of Our Common Interest, the report of the Prime Minister's Commission for Africa. He is the editor of The New Politics - Catholic Social Teaching for the 21st century.

He is now Senior Research Fellow at the Global Development Institute, University of Manchester, and Visiting Professor in Public Ethics at the University of Chester. He has written on political, religious and ethical matters for the New York Times, Sunday Times, Guardian, Independent, Tablet and Church Times.