A commercial artist and fine-art painter whose styles ranged from Impressionism, Fauvism to Mixed-Media Abstraction, Louis Siegriest had a long, distinguished career including association in the 1920s with a California Bay Area group called the Society of Six. Members rebelled against the prevalent sombre Tonalism of William Keith and the genteel Classicism of Arthur Mathews.

He was born to a father who drove the first horse-drawn streetcars in Oakland and then made a fortune in the heating oil business with acetylene gas machines for gaslights. Louis lived his entire life in the family mansion where he was born in north Oakland and later raised his own family including a son, Lundy, who became a well-known art...