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
David Carnegie (scientist) David Carnegie (scientist) Col. David Carnegie ( - ), was a British scientist, engineer and Liberal Party politician who worked for the Canadian government. He was the son of David Carnegie and Margaret Bogue of Aberdeen. He was educated at Gordon's College, Aberdeen and at the Royal College of Science, London. In 1896, he married Frances Ellen Lloyd of Leicester, and they had three sons. Carnegie was a member of the Institution of Civil Engineers and the Institution of Mechanical Engineers, and was elected an Ordinary Fellow of the Royal Society of Edinburgh in 1910. Before World War I, Carnegie