Alumni and guests are invited to join the Cambridge University Colchester Society for their61st annual dinner with guest speaker Jon Pavey MA. After reading engineering at Balliol College, Oxford, where he coxed the First VIII and played rugby for the first team, Jon worked as a water resources consultant with Mott Macdonald in 30 countries. His last posting before retiring 18 months ago was in Hong Kong. His talk will be entitled “Observations on the use and abuse of water in a changing world”.