The Hersch Lauterpacht Memorial Lecture is an annual lecture series given in Cambridge to commemorate the unique contribution to the development of international law of Sir Hersch Lauterpacht. These lectures are given annually by a person of eminence in the field of international law and a revised and expanded version of the lectures is usually published in the Hersch Lauterpacht Lecture Series by Cambridge University Press. The lecture comprises three parts, delivered on consecutive evenings, followed by a Q&A session on the fourth day. The 2010-11 Hersch Lauterpacht Memorial Lecture series, entitled 'The United Nations of the Future. The Role of International Law' was delivered at the Lauterpacht Centre for International Law, University of Cambridge, by Dr Nico Schrijver, Chair of Public International Law, Leiden University and President of the International Law Association, from Tuesday 22nd to Friday 24th February 2011. This part, entitled 'Introduction and UN Reform during the first sixty-five years' is the first of the three lectures given.