Excellent Article @crypticwyrm, Smalltalk is truly an amazing programming language. I've used it since 1984 when I got ahold a Smalltalk-80 version for the Macintosh Plus from Apple for USD$50.00. Still have the disks. The first time I learned of it was the Scientific American article in 1979 if I recall. Then of course the Byte Magazine 1980 August issue had indepth coverage with many articles.
Pharo Smalltalk is of course an excellent Smalltalk derived from Smalltalk-80 and a bit cleaner and more tidy than Squeak which is also quite good.
How are you using Smalltalk today?
RE: Every programmer should check out Smalltalk-80 at some point in their life (Tutorial inside)