Robuta

https://www.wolframalpha.com/input?i=elementary+charge%5E2+*+vacuum+permeability+%2F+%282+*+Planck+constant+%2F+speed+of+light%29+%3D+fine+structure+constant elementary charge^2 * vacuum permeability / (2 * Planck constant / speed of light) = fine structure... speed of light elementary charge vacuum permeability planck constant