On Tue, 3 Apr 2001 JArchibald at aol.com wrote:
> Second, Squeak has not been around for 20 years (though somewhat 
> miraculously, a core [corps, corpse] of some of the original Smalltalkers are 
> still around, disguised as Squeakers).

Wasn't early Squeak derived directly from a running Smalltalk-80 via
System Tracer?  If so, Squeak has been around for 20 years, in some sense.

Tim