|Birth place or City of origin:|
|State of origin:|
|Last known City:||Glendale|
|Last known State:||CA|
Tonk began his career in Chicago where he studied at the AIC and maintained a studio. On the advice of Buffalo Bill Cody, he went West in 1908 to portray frontier life, while working as a cowboy and wrangler. In 1923 he settled in Glendale, CA where he worked for MGM and Universal Pictures painting action scenes. His easel paintings include portraits, landscapes, and western subjects often with cowboys and cattle.