| Bio | Jonathan 
      Richard Bachrach, Ph.D., is a research scientist at the M.I.T. Artificial 
      Intelligence Laboratory. He has done research in dynamic language implementation, 
      language design, compiler design, computer architecture, neural networks, 
      and performance evaluation. He played an important role in the design of 
      the dynamic object-oriented language Dylan and was the manager of Harlequin's 
      Dylan team and one of its key compiler and runtime developers. He was also 
      involved in the design of the object-oriented language Sather while a postdoctoral 
      researcher at U.C. Berkeley. |