>>54
Common Lisp doesn't have one, but as for Scheme
Scheme is also languages designed by dictators! PLT-Scheme has a dictator; Chez-Scheme has one; and so does Ikarus-Scheme. If you like the idea of having a single dictator, we have so many of them to choose from. That is, you have a choice in how to limit your own choices. :-)
The Standard here is like the "The Official Recommendations of the Sixth Meeting of The Council of Scheme Dictators".[1]
-- References --
1. Abdulaziz Ghuloum, http://www.artima.com/forums/flat.jsp?forum=106&thread=255612