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 Peters Humphrey a refugee from France who was working on behalf of the Free French. In 1943, Laugier moved to Algeria to teach at the University of Algiers and later became the Assistant Secretary-General of the United Nations. While at McGill University, John Peters Humphrey founded the McGill Debating Union, one of the world's most successful and prominent debate societies. In 1946, Assistant Secretary-General to the United Nations, Henri Laugier, appointed John Peters Humphrey as the first Director of the United Nations Division of Human Rights, within the United Nations Secretariat. Humphrey was a principal drafter of the Universal Declaration of Human