• Office Hours:

    Fall 2021: TTh 3:20-4:30
  • Role:

  • Position:

    • Professor
  • Concentration:

    • Africa
  • Department:

    • History
  • Education:

    • PhD University of Minnesota 1993






Wielding the Ax: Scientific Forestry and Social Conflict in Tanzania c. 1820-2000 (Athens OH: Ohio University Press 2009). Series in Ecology and History. Finalist for the Herskovits Prize 2010.

Vilimani: Labor Migration and Rural Change in Early Colonial Tanzania 1884-1915 (Portsmouth NH: Heinemann 2002). Social History of Africa Series.

Recent Refereed Articles

“International Beef Packing in the Age of Empire: Lemco in South West Africa, 1906 – c. 1940,” South African Historical Journal (published online 9 September 2021, Vol. 73).

“Forestry and Social Engineering in the Miombo Woodlands of Southeastern Tanganyika,” in Commonwealth Forestry and Environmental History: Empire, Forests and Colonial Environments in Africa, the Caribbean, South Asia and New Zealand, ed. Vinita Damodaran and Rohan D’Souza (Delhi: Primus Publishers, 2020), 264-86.

“A ‘Moral Ecology’ of Afrikaner Settlement in German East Africa, 1902-1914,” in Carl Griffin, Roy Jones, and Iain Robertson, (eds.), Moral Ecologies: Histories of Conservation, Dispossession and Resistance. Palgrave Studies in World Environmental History (London: Palgrave MacMillan, 2019), 265-88.

“The Hide Trade from German East Africa, ca. 1840-1916: Violence, Disease and Social Change,” International Journal of African Historical Studies 51, 3 (2018): 373-402.

“Evicted in Dar es Salaam: From Tanganyika Packers to Uptown Kawe,” in Felicitas Hentschke and James Williams (eds.), To Be at Home: House, Work and Self in the Modern World (De Gruyter Oldenbourg, 2018), series on Work in Global and Historical Perspective, ed. Andreas Eckert et al, 80-84.

“Working in the Slaughterhouse: Tanganyika Packers Ltd., from Colonialism to Collapse, 1947-2014,” Labor History 59, no. 2 (2018): 215-37.

“Forest Policy, Wildlife Destruction, and Disease Ecologies: Environmental Dimensions of World War I in Africa,” in Environmental Histories of the First World War, ed. Richard Tucker, Tait Keller, John McNeill and Martin Schmid (New York: Cambridge University Press, 2018), 231-56.

“The African Rinderpest Panzootic, 1897-1898,” 1-33. In Oxford Research Encyclopedia of African History, ed. Thomas Spear. New York: Oxford University Press, 2018.

“Blood Trials: Transfusions, Injections and Experiments in Africa, 1890-1920,” Journal of the History of Medicine and Allied Sciences 71, no. 3 (2016): 293-321.

“The Entangled History of Sadoka (Rinderpest) and Veterinary Science in Tanzania and the Wider World, 1891-1901,” Bulletin of the History of Medicine 89, no. 1 (2015): 92-121.

“A Political Ecology of Beef in Colonial Tanzania and the Global Periphery, 1864 –1961,” Journal of Historical Geography 39, 1 (2013), 29-42.

"Exploiting the Urwald: German Post-Colonial Forestry in Poland and Central Africa 1900-1960," Past and Present 214 (2012), 305-42.



  • Hist420 – Precolonial Africa

  • Hist421 – Colonial Africa