Whenever the von Neumann EDVAC paper is mentioned, I feel it is rightful to point people to the book that gives proper backround to what we incorrectly call von Neumann architecture:<p><a href="https://www.amazon.com/Eniac-Triumphs-Tragedies-Worlds-Computer/dp/0802713483" rel="nofollow">https://www.amazon.com/Eniac-Triumphs-Tragedies-Worlds-Compu...</a>
The Edvac paper is notable for the ways in which their debugging process is almost, but not quite, modern.<p>Another early gui-driven networked computer system was Sage:<p><a href="https://en.wikipedia.org/wiki/Semi-Automatic_Ground_Environment" rel="nofollow">https://en.wikipedia.org/wiki/Semi-Automatic_Ground_Environm...</a><p><a href="https://www.ibm.com/ibm/history/ibm100/us/en/icons/sage/" rel="nofollow">https://www.ibm.com/ibm/history/ibm100/us/en/icons/sage/</a>