Medical Definition of functional. 1a: of, connected with, or being a functionâcompare structural 1b: affecting physiological or psychological functions but not organic structure functional heart disease a functional psychosisâcompare organic 1b. 2: performing or able to perform a regular function.
Known for Four Apostles woodcuts, engravings and Melencolia interest in Italian concepts Albrecht Altdorfer German painter, engraver, and architect of the Renaissance. Regarded to be the main representative of the so-called Danube School setting biblical and historical subjects against landscape backgrounds of expressive colors.
Erik Andreas Rotheim (19 September 1898 - 18 September 1938) was a Norwegian professional chemical engineer and inventor. He was born in Kristiania, earned his engineering degree in Switzerland and established his own company at home in Oslo in 1925. He is best known for invention of the aerosol spray can, the patent application for which he submitted in 1926. The Norwegian patent was granted in June 1929. He filed the United States patent application on 30 September 1927 and it was approved on 7 April 1931.