Aidan Gomez can take some credit for the 'T' at the end of ChatGPT. He was part of a group of Google engineers who first introduced a new artificial intelligence model called a transformer.

That helped set a foundation for today's generative AI boom that ChatGPT-maker OpenAI and others built upon. Gomez, one of eight co-authors of Google's 2017 paper, was a 20-year-old intern at the time.