Schaller was appointed to the Court by Governor Winfield S. Hammond on March 9, 1915 following the death of Associate Justice Philip Brown on February 6, 1915. Schaller was a resident of Hastings, former Dakota County Attorney (1879-1891), former state Senator (SD 24, 1895-1899; SD 30, 1899-1915), Democratic-People's nominee for the 3rd CD in 1900, and Democratic U.S. Senate nominee in 1907. Schaller was the 10th Justice to be defeated at the ballot box following appointed Associate Justice Greenleaf Clark in 1881, Republican Associate Justices Daniel Dickinson and Charles Vanderburgh in 1892, and Democratic Associated Justices Thomas Canty, William Mitchell, Daniel Buck in 1898, Republican-turned-Democrat John Lovely in 1904, Democrat Thomas O'Brien in 1910, and George Bunn in 1912.
Anderson was an attorney from Winona, former Winona County Attorney, former state Representative (HD 02, 1901-1903, 1905-1907), candidate for Associate Justice of the Supreme Court in 1922, and eventual state Senator (SD 33, 1927-1940).
Quinn was an attorney from Fairmont, former Faribault County Attorney, and sitting Seventeeth Judicial District Judge.
Kneeland was an attorney from Minneapolis and sitting state Representative (HD 41, 1909-1915; HD 31, 1915-1917).