He painted murals for the Works Progress Administration (WPA) and was a founding member of the American Abstract Artists (AAA).

[1] He attended art school in Denver, Colorado where his teachers included Jean Mannheim.

[7] In 1933 his work was exhibited at the Century of Progress International Exposition in Chicago.

[2] Weisenborn was a founding member of the American Abstract Artists in 1936.

[9] His work is in the National Gallery of Art,[10] and the Union League Club of Chicago (ULCC).