He did not made any Lisp/JVM hybrids. More like foreign object interfaces to Java and .net.
One was a Lisp(Works) FFI to Java (jfli) and the other was a generalized version of that (foil).
I have seen too the early sketch of Clojure in CL.
Look here: http://clojure.googlecode.com/svn-history/r454/trunk/src/lis...