Excerpt from the article Clem pointed to: The company was called Wang Laboratories and it specialised in magnetic memories. He used his contacts to sell magnetic cores which he built and sold for $4 each. 4 bucks a bit! On Fri, Jun 15, 2018 at 10:21 AM, Clem Cole wrote: > > > On Fri, Jun 15, 2018 at 7:19 AM, A. P. Garcia > wrote: > >> jay forrester first described an invention called core memory in a lab >> notebook 69 years ago today. >> > ​Be careful -- Forrester named it and put it into an array and build a > random access memory with it, but An Wang invented and patented basic > technology we now call 'core' in 1955 2,708,722 > (calling it `dynamic > memory')​. As I understand it (I'm old, but not that old so I can not > speak from experience, as I was a youngling when this patent came about), > Wang thought Forrester's use of his idea was great, but Wang's patent was > the broader one. > > There is an interesting history of Wang and his various fights at: An > Wang - The Man Who Might Have Invented The Personal Computer > > > ᐧ >