F
- Farey sequence. Cauchy published the proof to a conjecture put forth by Farey. Unknown to both men, similar results were published earlier by Charles Haros.
- Fermi's golden rule, a quantum mechanical calculation, was discovered by Paul Dirac.
- Fresnel Lens. The idea of creating a thinner, lighter lens by making it with separate sections mounted in a frame is often attributed to Georges-Louis Leclerc.
- Frobenius elements in a Galois group of global fields were first created by Dedekind.
Read more about this topic: List Of Examples Of Stigler's Law