Frederick Weyerhaeuser was a prominent, self-made lumber capitalist and millionaire in the Midwest during the Gilded Age. Nicknamed "the Lumber King" and "the Timber King" during a time when lumber ranked alongside iron and the railroads as a source of industry, Weyerhaeuser created a syndicate that controlled millions of acres of timberland. The syndicate also controlled sawmills, paper mills, and processing plants.

After graduating from Northwestern Hospital’s School of Nursing in 1894, Theresa Ericksen led a life of service as a healer, teacher, and promoter of public health and nursing education. Her legacy has ties to the Minnesota Nursing Association, the Veterans of Foreign Wars, Christmas Seals, and Fort Snelling National Cemetery.

William T. Francis, Minnesota’s first African American diplomat, served as U.S. Minister and Consul to Liberia, West Africa, from 1927 until his death. He investigated and reported on Liberian government complicity in the forced labor of Liberian men and died in Monrovia of yellow fever on July 15, 1929.

Charles Kiewel continued his father Jacob’s brewing legacy by owning and managing multiple breweries, including Kiewel Brewing Company in Crookston. His diverse business interests, from creameries to a farm to a bank, set him apart as one of Crookston’s most well-known businessmen.

A man of diverse interests and talents, Ellsworth D. Childs was a farmer, city councilman, businessman, entrepreneur, church planter, village planter, and writer. As all of these, and more, he profoundly influenced the development of the city of Crookston.

Sauk Centre’s Sinclair Lewis, short story writer, novelist, and playwright, was the first American to win the Nobel Prize in Literature.

Elmer George Uggen was a musician, composer, conductor, educator, and music store owner who entertained American troops abroad during World War I with his score for the play “War is Hell.” He left a mark in Northwest Minnesota with the original words and music for “Crookstonian,” a march used as the official anthem of Crookston.

John Scott Bradstreet was a key tastemaker in early twentieth century Minnesota. As a designer of objects and interiors, he shaped the aesthetic tastes and parlors of the Twin Cities. Beyond his retail operations, Bradstreet’s work as an organizer and booster of the fine arts in Minneapolis was central to the development of art exhibitions and societies, and eventually led to the founding of the Minneapolis Institute of Art.

Bert D. Keck was an architect who moved to Crookston, Minnesota, in 1902. His Neo-classical and Romanesque designs for Crookston’s costliest and most significant public buildings changed the skyline of the town. Three of his structures are listed on the National Register of Historic Places.

Swan Turnblad was a prominent Swedish Minnesotan and the manager, editor, and publisher of Svenska Amerikanska Posten, a Swedish American newspaper. He donated his family home and the newspaper to the newly founded American Institute of Swedish Arts, Literature and Science (later renamed the American Swedish Institute) near the end of his life.