David Brewster (11.12.1781-10.02.1868) was a Scottish physicist, a Fellow of the Royal Society (1815) and president of the Royal Society of Edinburgh (1864).
Louis de Broglie (born 15.07.1892) is a French theoretical physicist, one of the creators of quantum mechanics, a member of the Paris Academy of Sciences (1933) and its permanent secretary in 1942 — 75.