The story
It was originally proved independently in 1934 by Aleksandr Gelfond and Theodor Schneider.
Etymology from Wiktionary, CC BY-SA 4.0.
Gelfond-Schneider theorem
Today it means: A theorem that establishes the transcendence of a large class of numbers, stating that, if a and b are algebraic numbers with a ≠ 0, 1, and b irrational, then any value of aᵇ is a transcendental number. Full definition →