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Symp 143 Group Photo
FRONT: L. Obbink, S. Antón, L. Aiello, R. Potts, A. Migliano, J. Wells, P. Ungar MIDDLE: K. MacKinnon, J. Smith, K. Isler, K. Steudel., S. Pfeiffer BACK: J. Snodgrass, T. Holliday, G. Schwartz, T. Schoenemann, H. Pontzer, C. van Schaik, J. M. Plavcan, C. Kuzawa, C. Rainwater, R. Bribiescas

Wenner-Gren Symposium #143
March 4-11, 2011
Tivoli Palácio de Seteais
Sintra, Portugal

PUBLICATON: Human Biology and the Origins of Homo. Current Anthropology Vol. 53, S6. December 2012.Origins of Homo CA Cover


Leslie C. Aiello - organizer (Wenner-Gren Foundation, USA)
Susan Antón - organizer (New York U., USA)
Richard G. Bribiescas (Yale U., USA)
Trenton W. Holliday (Tulane U., USA)
Karin Isler (U. of Zürich, Switzerland)
Chris Kuzawa (Northwestern U., USA)
Katherine C. MacKinnon (Saint Louis U., USA)
Andrea B. Migliano (U. of Cambridge, UK)
Susan Pfeiffer (U. of Toronto, Canada)
J. Michael Plavcan (U. of Arkansas, USA)
Herman Pontzer (Hunter College, USA)
Rick Potts (NMNH, Smithsonian Institution, USA)
Chris Rainwater, monitor (New York U. and NYCEP, USA)
Tom Schoenemann (Indiana U., USA)
Gary T. Schwartz (Arizona State U., USA)
Jennifer E. Smith (U. of California-Los Angeles, USA)
J. Josh Snodgrass (U.of Oregon, USA)
Karen L. Steudel (U. of Wisconsin-Madison, USA)
Peter Ungar (U. of Arkansas, USA)
Carel van Schaik (U. of Zürich, Switzerland)
Jonathan CK Wells (U. College London, UK)

Organizers' Statement

In the past decade, new fossil discoveries from East and South Africa, Georgia, and even Indonesia have focused attention on the origins of the genus Homo and the factors that may have lead to its appearance. Indeed, the very definition of the genus has been recently questioned and this discussion seems likely to form a major focus for the next decade of paleoanthropological work. Several morphological differences distinguish early fossil members of the genus Homo from those of Australopithecus and Paranthropus including reduction in tooth and jaw size, reorganization of craniofacial morphology, and changes in body shape and size. And these physical differences have been taken to suggest underlying adaptive shifts at the origin of the genus Homo – most or all of which have energetic and life history implications. Although the majority of these inferences imply energetic, behavioral and life history differences between Australopithecus and early Homo and/or between early Homo and Homo erectus, little time has been spent evaluating the relationships between bodies and behaviors in modern humans in different ecological circumstances. These are the data that are essential to understand the implications and expectations of anatomical changes at the origin of our genus. Our goal is to bring together human biologists, behaviorists, modelers, and fossil experts to integrate the rich human biological data sets with the new