Louis Frederick Grell (November 30, 1887 – November 21, 1960) was an American figure composition and portrait artist based in the Tree Studio resident artist colony in Chicago, Illinois. He received his formal training in Europe from 1900 through 1915 and later became art professor at the Chicago Academy of Fine Arts from 1916 to 1922, and at the Art Institute of Chicago from 1922 to 1934. Grell exhibited his works throughout Europe from 1905 to 1915, in San Francisco in 1907, and in Chicago at the Art Institute 25 times from 1917 to 1941. He exhibited in New York in 1915 and 1916 and in Philadelphia and Washington DC. Primarily an allegorical and figurative composition muralist and portrait painter, his creative strokes adorn the ceilings and walls of numerous US National Historic Landmar