Unfortunately softwarepreservation.org seems to suffer from an outage since more than a day, and archive.org doesn't have a copy, so here is a copy of the docum

Unfortunately softwarepreservation.org seems to suffer from an outage since more than a day, and archive.org doesn't have a copy, so here is a copy of the document for the time being: http://rochus-keller.ch/Downloads/history_of_lisp.pdf http://rochus-keller.ch/Downloads/history_of_lisp.pdf