John, here is a short, but good start: http://www-ics.ee.ic.ac.uk/surp99/article1/ma197/ and here is the abstract of Alan Kay's paper, "The Early History of Smalltalk", which he keeps citing: http://www.kric.ac.kr:8080/pubs/citations/proceedings/plan/154766/p69-kay/ I doubt that you will find as many details anywhere else. -- Jecel