Paolo Amoroso<p>Some lovely cartoon characters are on the covers of early editions of the Interlisp Reference Manual, like this cover of the one published in October of 1974. The characters represent Interlisp features like the editor, DWIM, undo, GC, the debugger, the compiler, and the programmer's assistant.</p><p>The 1974 manual:</p><p><a href="https://archive.org/details/bitsavers_xeroxinternceManualOct1974_62879243" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">archive.org/details/bitsavers_</span><span class="invisible">xeroxinternceManualOct1974_62879243</span></a></p><p>The last manual, published in 1993 with no cartoons:</p><p><a href="https://interlisp.org/documentation/IRM.pdf" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">interlisp.org/documentation/IR</span><span class="invisible">M.pdf</span></a></p><p><a href="https://fosstodon.org/tags/interlisp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>interlisp</span></a> <a href="https://fosstodon.org/tags/lisp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lisp</span></a> <a href="https://fosstodon.org/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>retrocomputing</span></a></p>