Dan Sayre Groesbeck (September 8, 1878 - August 29, 1950) was an American illustrator, muralist, and designer of "visualization sketches" in the pre-cinematic era.
[1] Groesbeck began his career as a reporter and illustrator in Los Angeles, and later in Denver and Chicago.
[2] His illustrations were published in the Chicago Tribune, Redbook, and Cosmopolitan Magazine.
[1] Groesbeck painted murals inside the Santa Barbara County Courthouse, the Hotel Del Monte, and various other buildings.
[2] He designed "visualization sketches" for Cecil B. DeMille in the pre-cinematic era.