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 Payne Davy Payne H. David "Davy" Payne (c. 1949 – March 2003) was a senior Northern Irish loyalist and a high-ranking member of the Ulster Defence Association (UDA) during the Troubles, serving as brigadier of the North Belfast Brigade. He was second-in-command of the Shankill Road brigade of the Ulster Freedom Fighters (UFF), which was the "cover name" of the militant branch of the UDA. The group was responsible for a series of abductions and killings of mostly Catholic civilians in the early 1970s. He was arrested after being stopped at a Royal Ulster Constabulary (RUC) checkpoint while driving the "scout"