The transformer architecture was invented by a team of Google researchers in 2017. The team consisted of Ashish Vaswani, Noam Shazeer, Niki Parmar, Jakob Uszkoreit, Llion Jones, Aidan N. Gomez, Łukasz Kaiser, and Illia Polosukhin. 

Ashish Vaswani was one of the main brains behind the Transformer architecture. He was a staff research scientist at Google Brain from 2016 to 2021 and co-founded Adept AI Labs. 

I couldn't find any information on whether any of the other researchers have made relevant work more recently.
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