Juliet Davenport OBE is founder and CEO of Good Energy, a 100 per cent renewable energy company based in Chippenham which has won the Sunday Times' Best Green Company award and The Observer’s Ethical Award for best online retail initiative.

Juliet previously worked for the European Commission and the European Parliament and is currently an innovation adviser to the University of Bristol, University of Wales, Imperial College and LSE as well as being a board member of the Natural Environment Research Council.

Today she will be awarded a Doctor of Science from the University of Bristol in recognition of her work.

Professor Sir Andrew Wiles is one of the world’s foremost mathematicians and is best known for proving Fermat’s Last Theorem in the 1990s which catapulted him to unexpected fame.

He is a recipient of the Abel Prize and the prestigious Royal Society Copley Medal as well as the first Regius Professor of Mathematics at Oxford since 1842.

Educated at Merton College, Oxford and Clare College, Cambridge, he earned his professorship in 1982 at Princeton University.

Today he will be awarded a Doctor of Science from the University of Bristol in recognition of his contributions to the field.

Dr Gavin Schmidt, director of the NASA Goddard Institute for Space Studies (GISS), will receive a Doctor of Science accolade.

Since 2000, he has been involved in wider public outreach on climate science issues, co-founding one of the first blogs on climate science and co-authoring the book Climate Change: Picturing the Science.

He is a Fellow of the American Association for the Advancement of Science (AAAS), recipient of the EarthSky Science Communicator of the Year award, the American Geophysical Union’s Climate Communication Prize and was recognised as a Research Leader by Scientific American.