| Major Interests are in African and Old World comparative prehistory,
intellectual history of prehistoric archaeology, ethnicity and specialization,
urbanism, geomorphology and palaeoclimate, international art market,
prehistoric symbols and ideology.
Publications include several books: Prehistoric Investigations
in the Region of Jenne, Mali (2 vols. 1980, with S.K. McIntosh,
Plundering Africa's Past (1996, co-edited with P. Schmidt), Peoples
of the Middle Niger. Island of Gold (1998, Blackwell), The Way the
Wind Blows: Climate, History, and Human Action ( 2000, Columbia,
co-edited with J. Tainter and S.K. McIntosh), Ancient Middle Niger.
Urbanism and the Self-Organizing Landscape (2005, Cambridge),
And numerous articles, including:
“Early urban configurations on the Middle Niger: Clustered
cities and landscapes of power”. In The Social Construction
of Ancient Cities (2003, Smithsonian, with S.K. McIntosh); "Intellectual
history of archaeology" In The Oxford Companion to Archaeology
New York: Oxford; "Field survey in the tumulus zone of Senegal",
The African Archaeologica l Review (1993, with S.K. McIntosh); "The
Pulse Theory: Genesis and accommodation of specialization in the
Middle Niger", Journal of African History (1993); "Cities
without citadels: Understanding urban origins along the Middle Niger",
In The Archaeology of Africa. Foods, Metals and Towns. (1993, with
S.K.McIntosh), "Archaeology of the peoples without history",
Archaeology (1989, with S.K.McIntosh & T.Togola)
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