The figure-eight drive was developed by the biomechanics group of the class Wheelchair Design for Developing Countries, taught by Amos Winter at MIT during the Spring term of 2007.
Members of the design team were:
Xin He
Department of Chemical Engineering
Massachusetts Institute of Technology Class of 2009
Katherine Wong
Department of Mechanical Engineering
Massachusetts Institute of Technology Class of 2010
Elizabeth Au
Department of Chemical Engineering
Massachusetts Institute of Technology Class of 2007
Lindsay Todman
Department of Mechanical Engineering
Cambridge University Class of 2008
Mario Bollini
Department of Mechanical Engineering
Massachusetts Institute of Technology Class of 2009
They were greatly assisted by:
Amos Winter
Ph.D. Candidate in Mechanical Engineering
Massachusetts Institute of Technology
Gwyndaf Jones
Advisor to Massachusetts Institute of Technology D-Lab and WDDC
The team may still be reachable at: wddc-biomech (at) mit (dot) edu.
I am reachable at mbollini (at) mit (dot) edu.