William de la Barre

William de la Barre (April 15, 1849, in Vienna – March 24, 1936, in Minneapolis) was an Austrian Empire-born civil engineer who developed a new process for milling wheat into flour, using energy-saving steel rollers at the Washburn-Crosby Mills (now known as General Mills, Inc.) in Minneapolis, and later served as chief engineer for the first hydroelectric power station built in the United States, at Saint Anthony Falls, also in Minneapolis.