John Ousterhout is the original force behind the scripting programming language
Tcl and the platform-independent GUI toolkit
Tk, which he developed when he was professor at the
University of California, Berkeley.
See
http://purl.org/tcl/home/scripting/tclHistory.html
for John's recounting of Tcl's early days.
(2001-05-14) JO's homepage is now at
http://home.pacbell.net/ouster/
A series of powerpoint slides John used
for tutorials, plus postscript versions,
can be found at ftp://ftp.scriptics.com/pub/tcl/doc/tut.tar.Z .
See also:
Ousterhout's dichotomy