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
John Davidson (chemical engineer) 1999 for his chemical engineering work, and has been a Fellow of the Royal Society since 1974. He was president of the Institution of Chemical Engineers (IChemE) from 1970 to 1971. Vice-president of the Royal Society in 1989. He was appointed a Fellow of the Royal Academy of Engineering. a John Davidson (chemical engineer) John Frank Davidson FRS FREng FIChemE (born 7 February 1926) is a British chemical engineer and former Shell Professor of Chemical Engineering at the University of Cambridge. He is regarded as the founding father of the Fluidization in Chemical Engineering. John Frank Davidson was born in