Lawrence O. Christensen was Distinguished Teaching Professor emeritus of history at Missouri University of Science and Technology.

Articles Authored

Cyprian Clamorgan’s The Colored Aristocracy of St. Louis. [Missouri Historical Society, St. Louis, MHS Library, Lib197-00001]

The grandson of Jacques Clamorgan, Cyprian Clamorgan wrote The Colored Aristocracy of St.…

Note of Jacques Clamorgan agreeing to pay skins worth $153 to Pierre Chouteau on July 19, 1807. [Missouri Historical Society, St. Louis, Clamorgan Family Papers, A0288-00017]

Jacques Phillippe Clamorgan arrived on the Missouri frontier in the early 1780s and spent the rest of his…

Arthur Holly Compton. [University of Chicago Library, Hanna Holborn Gray Special Collections Research Center, University of Chicago Photographic Archive, apf1-01878]

Arthur Holly Compton earned international recognition for his research in X-rays, sharing the 1927 Nobel Prize for…

David Rowland Francis. [State Historical Society of Missouri, Straus Studio Photographs, P0879]

Mayor of St. Louis, governor of Missouri, secretary of the interior, president of the Louisiana Purchase Exposition…

Harold L. Holliday Sr. [Official Manual of the State of Missouri, 1969–1970]

Harold L. Holliday devoted his career to advancing the cause of civil rights in Missouri. He spent twenty­-…