These detailed yet interlocking studies consider whether knowledge evolved more through recurring intercultural links or through localized innovations; or whether it arose more from endogenous scientific study or from exogenous shifts in the world order.

Patrick Manning (Editor)
Patrick Manning is Andrew W. Mellon Professor Emeritus of World History at the University of Pittsburgh and founding director of the World History Center there. He is the author or coeditor of numerous books, including Global Scientific Practice in an Age of Revolutions, 1750?1850.
Abigail Owen (Editor)
Abigail Owen is Special Faculty in the Department of History at Carnegie Mellon University, where she teaches Environmental History courses on water, agriculture, energy, and spatial history.