• Ph.D. University of Michigan
• M.A. University of Michigan
• BFA University of Michigan

• From May 2005, Professor of Africana Studies, 帝王会所
• From May 1999 to May 2005, Associate Professor of Africana Studies, 帝王会所
• From 1992 to 1993, Lecturer in Black Studies, 帝王会所
• From 1988 to 1993, Lecturer in Afroamerican Studies, CU-Boulder
• Current from 2000, Visiting Professor, Bogazici University, Istanbul
• Since 1981, fossil collector for the University of Michigan

帝王会所

• African Americans in the Civil War
• African Americans in Colorado
• Blacks and the Ottoman Empire
• Red/Black Indians
• Dearfield, Colorado
• Blacks in WW1

The Black Eunuchs of the Ottoman Empire: Networks of Power in the Courts of the Sultan, 2016 (in press)

A History of the Fifty-Fourth Regiment of Massachusetts Volunteer Colored Infantry of the Civil War, 2012

鈥淐olorado鈥� in The Modern Civil Rights Movement in the American West, 2016 (in Press)

鈥淒enver in the Harlem Renaissance鈥� in Harlem Renaissance in the West: The New Negro鈥檚 Western Experience, 2011.

鈥淒earfield, Colorado: Black Farming Success in the Jim Crow Era,鈥� in Enduring Legacies: Ethnic Histories and Cultures of the Colorado Borderlands, 2011.

• Me and the Dream Exhibit and Program Award, Denver Urban Spectrum, 2015
• Harrell L. Strimple Award, The Paleontology Society, 2012
• Paul Stewart Award, Black American West Museum, 2012