LMI CADR brochure
Original: http://bitsavers.trailing-edge.com/pdf/mit/cadr/CADR_brochure1.jpg, http://bitsavers.trailing-edge.com/pdf/mit/cadr/CADR_brochure2.jpg.
Richard Greenblatt and Thomas Knight with the CADR LISP Machine at MIT
Original: https://www.computerhistory.org/chess/stl-431614f64ea3e/.
Lisp Machine at a desk; photograph by James J. Dempsey
Photograph by James J. Dempsey.
Lisp Machine and Chess
Photograph from MIT (pictures #4 and #59 from https://mitmuseum.mit.edu/collections/subject/computers-general-people-working-on-computers-2080