Victor Veselago
Victor Georgievich Veselago (Russian: Виктор Гиоргиевич Веселаго; 13 June 1929 – 15 September 2018) was a Soviet Russian physicist, doctor of physical and mathematical sciences, and a university professor. In 1967, he was the first to publish a theoretical analysis of materials with negative permittivity, ε, and permeability, μ.