This volume of papers delivered to The Royal Society in February of 1992 explores the debate over the "single center" hypothesis of human origins versus "multi-regional evolution." Over the last five years there has been growing support for a recent "Out of Africa" origin of modern humans--based on fresh interpretations of the palaeoanthropological and archaeological evidence, new applications of physical dating techniques to important sites, and a greatly increased genetic data base on recent human variation and its geographical patterning. But there has also been a parallel growth of doubts about interpretations of the new evidence from some workers. This book provides a review of recent progress and allows some of these doubts to be aired and discussed.

In addition to the editors, the contributors are O. Bar-Yosef, A. M. Bowcock, P. Brown, H. J. Deacon, L. L. Cavalli-Sforza, J. D. Clark, R. Grün, J.-J. Hublin, A. A. Lin, G. H. Miller, J. L. Mountain, H. P. Schwarcz, N. J. Shackleton, F. H. Smith, and M. Stoneking.

Originally published in 1993.

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