Leon Trotsky politically marginalised by Stalinism, Trotsky continued to argue for a united front against fascism in Germany and Spain. According to Joseph Choonara of the British Socialist Workers Party in "International Socialism", his articles on the united front represent an important part of his political legacy. Leon Trotsky Leon Trotsky (; born Lev Davidovich Bronstein; – 21 August 1940) was a Russian revolutionary, Marxist theorist, and Soviet politician whose particular strain of Marxist thought is known as Trotskyism. Initially supporting the Menshevik Internationalists faction within the Russian Social Democratic Labour Party, he joined the Bolsheviks ("majority") just before the 1917 October
Lev Landau name from numerous publications of his students where his contribution was less significant. Lev Landau Lev Davidovich Landau (22 January 1908 – April 1968) was a Soviet physicist who made fundamental contributions to many areas of theoretical physics. His accomplishments include the independent co-discovery of the density matrix method in quantum mechanics (alongside John von Neumann), the quantum mechanical theory of diamagnetism, the theory of superfluidity, the theory of second-order phase transitions, the Ginzburg–Landau theory of superconductivity, the theory of Fermi liquid, the explanation of Landau damping in plasma physics, the Landau pole in quantum electrodynamics, the two-component theory of