Wallace Leroy DeWolf (February 24, 1854 – December 25, 1930), sometimes De Wolf, was an American lawyer, businessman, philanthropist, and artist. He was born in Chicago, Illinois and spent most of his life in the city. Originally a lawyer, DeWolf founded a successful real estate company in 1894. In 1901, he was named the president of the Kellogg Switchboard & Supply Company. His seven-year tenure featured a stock controversy that reached the Illinois Supreme Court and a large strike.
DeWolf was passionate about the arts, amassing a collection of Anders Zorn works that he donated to the Art Institute of Chicago. DeWolf was an etcher himself, and some of his works were showcased at the Art Institute. A room there was named the DeWolf Gallery of American Landscapes in his honor. DeWolf was also a trustee at the Pasadena Art Institute.
Wallace Leroy DeWolf was born on February 24, 1854 in Chicago, Illinois. He was the son of Calvin DeWolf, a prominent lawyer and secretary of the Illinois chapter of the American Anti-Slavery Society. Wallace DeWolf attended Union College of Law at the University of Chicago, graduating with a Bachelor of Laws in 1876. He was admitted to the bar by the Supreme Court of Illinois. DeWolf opened a law office with his father in Chicago.
DeWolf married Mary R. Huntington in Stuttgart, Germany in 1890. Her father was a clerk for the Supreme Court of the United States in Indianapolis, Indiana. In 1894, DeWolf founded W. L. DeWolf & Co., specializing in real estate. The company focused on warehousing and manufacturing. In 1901, DeWolf was named the president of the Kellogg Switchboard & Supply Company, succeeding his brother-in-law Milo G. Kellogg.