Rudolph Frank Ingerle (April 14, 1879 – October 20, 1950) was an American landscape artist of European origin.
[1][2] He was born in Vienna, Austria to a father from Moravia, now part of the Czech Republic, but moved with his family at the age of 12 to Burlington, Wisconsin, USA and then to Chicago, where he was naturalized in 1895.
In Chicago he attended classes at the John Francis Smith Art Academy and also took night classes at the School of the Art Institute of Chicago (SAIC).
Steele and others to form the Indiana School of Painting in Brown County.
He and his colleagues actively supported the local people in their fight against the damaging activities of the logging companies, campaigning so effectively that in 1934 the U.S. Government established the Great Smoky Mountains National Park.