William D. Orthwein

William David Orthwein (February 9, 1841 – 1925) was a German-born American Civil War veteran and grain merchant in St. Louis, Missouri.

Early life William David Orthwein was born on February 9, 1841, in Stuttgart, Wurtemberg, Germany. His father was Frederick Charles Orthwein and his mother, Louise Lidle. He had a brother, Charles F. Orthwein.

Career Orthwein emigrated to the United States in 1860, arriving in Lincoln, Illinois, to work as a salesman. He served on the Boards of Directors of the Mississippi Valley Trust Company, the Kinloch Telephone Company,

Orthwein was a member of the Log Cabin Club and the Union Club, two private members' clubs in St. Louis, Missouri. leaving an estate of about US$2 million (about $ today).