Louis Victor Pierre Raymond, 7th Duc de Broglie (/ d ə ˈ b r oʊ ɡ l i /, also US: / d ə b r oʊ ˈ ɡ l iː, d ə ˈ b r ɔɪ /, French: or (); 15 August 1892 – 19 March 1987) was a French physicist and aristocrat who made groundbreaking contributions to quantum theory.In his 1924 PhD thesis, he postulated the wave nature of electrons and suggested that all matter has wave properties.

A shield party per fess (or simply per fess) is divided in half horizontally (in the manner of a fess).A charge placed horizontally may be termed fesswise or fessways, and two or more charges arranged in a horizontal row are blazoned in fess or in bar.. Notable and unusual forms. A mural fess, that is a fess embattled and masoned of the field, can be seen in the arms of Suzanne …