Royal Institution frozen, he was not allowed to practise as a doctor, and Humphry Davy was appointed as his assistant, so he resigned. Humphry Davy was an even greater success, as was his assistant and successor Michael Faraday. Davy's immediate successor was William Thomas Brande. Thus the Institution has had an instrumental role in the advancement of science since its founding. Notable scientists who have worked there include Sir Humphry Davy (who discovered sodium and potassium), Michael Faraday, James Dewar, Sir William Henry Bragg and Sir William Lawrence Bragg (who jointly won the Nobel prize for their work on x-ray diffraction), Max
Davy Group association with Arts & Business. The main prizes total €19,000 and were awarded by a judging panel of Royal Hibernian Academy President Stephen McKenna, Royal Ulster Academy President Rita Duffy and international art critic and writer Gemma Tipton. The 2010 Davy Portrait Award was won by Ian Cumberland, a Northern Ireland-based artist. The 2008 Davy Portrait Awards was won by Joe Dunne, a portrait artist based in Dublin. The "Mahon Tribunal" established that Davy, throughout the 1980s and 1990s, made a series of payments to the corrupt politician Liam Lawlor. In 1992, Davy made a political donation of £5,000 to