Found in 3 comments on Hacker News
WalterBright · 2021-10-07 · Original thread
You'd probably enjoy the book "Renegades of the Empire" by Drummond.

j1mr10rd4n · 2020-03-28 · Original thread
I thought Renegades of the Empire was a fascinating look into the internal machinations at Redmond and a bit of DirectX history too

This fantastic book talks extensively about it.

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