At 18 years old, Nathan Thomas walked into a lecture hall at Miami Dade College in August 2023, like many others his age. According to Guinness World Records, he is the youngest-ever male professor. In August 2023, Thomas was 18 years and 346 days old. Thomas had already earned his bachelor’s and master’s degrees in electrical engineering, both with honors, according to Guinness. According to Guinness, he is still teaching online courses and plans to graduate with his law degree in 2028.