Femi Fadugba, born in Togo during the civil war, is a British physicist and novelist whose debut novel The Upper World was published in 2021, dealing with themes including free will, time travel and quantum physics.

Fadugba spent part of his childhood in the US, before moving to the UK aged nine, where he was encouraged by the caretaker of his Somerset boarding school to pursue physics. He graduated from Oxford University with a Master's in materials science, followed by a second Master's in public administration from the University of Pennsylvania, and was voted UK's Best Black Student at the Rare Rising Stars competition in 2011. Fadugba worked at a solar financing company when he started writing The Upper World, which is now being made into a Netflix film starring Daniel Kaluuya and produced by Eric Newman.