I wouldn't be surprised if he hadn't come across it and perhaps forgotten about it. Nevertheless simultaneous invention happens all the time.
Re:Don Lancaster's Guru's Lair Home Page
by koalahedron on Wednesday March 03, 2021 @09:28AM
(#26328703)
> Nevertheless simultaneous invention happens all the time.
Try telling that to Isaac Newton. :)
Or better yet Edison or the USPTO.
https://www.willegal.net/appleii/apple1.htm