About Becky A. Sigmon Becky A. Sigmon is Emeritus Professor in the Department of Anthropology at the University of Toronto. Books by Becky A. Sigmon Homo Erectus Papers in Honor of Davidson Black edited by Becky A. Sigmon & Jerome S. Cybulski Homo Erectus Papers in Honor of Davidson Black edited by Becky A. Sigmon & Jerome S. Cybulski