Peter Humphries Clark. [Wendell P. Dabney, Cincinnati’s Colored Citizens, 1926]

Peter Humphries Clark provided leadership for African American communities in St. Louis and Cincinnati, Ohio…

Portrait of William Clark by Charles Willson Peale, c. 1807–1809. [Courtesy of the Independence National Historical Park]

William Clark, the celebrated explorer who joined Meriwether Lewis in leading an overland…

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…

Adaline Couzins portrait

Adaline Weston Couzins, a volunteer nursing escort and relief worker during the Civil War, was born in Brighton,…

Phoebe Couzins portrait

Phoebe Wilson Couzins, a lawyer and suffragist, was born on September 8, 1842, to John Edward Decker and…

Howard A. Cowden (right) with former president Harry S. Truman. [Harry S. Truman Library and Museum, 64-1411]

The founder of the Consumers Cooperative Association (CCA) and the original field man for…

Oliver Cromwell Cox as he appeared in Lincoln University’s yearbook in 1962. [The Archives, Lincoln University, 1962]

Oliver Cromwell Cox was arguably one of the most controversial mid-twentieth-century social…

Joan Crawford in 1928. [Library of Congress, Prints and Photographs Division, LC-USZ62-133571]

Joan Crawford was born Lucille LeSueur on March 23, 1908, in what she described as “a drab…