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Lev Landau

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Lev Davidovich Landau was a Soviet physicist who made fundamental contributions to many areas of theoretical physics. He was also involved in the design of the Soviet atomic bomb.

Landau in 1962

Landau family in 1910

Young Landau in 1914

At the Kharkiv Institute, 1934

John von Neumann

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John von Neumann was a Hungarian and American mathematician, physicist, computer scientist, engineer and polymath. He had perhaps the widest coverage of any mathematician of his time, integrating pure and applied sciences and making major contributions to many fields, including mathematics, physics, economics, computing, and statistics. He was a pioneer in building the mathematical framework of quantum physics, in the development of functional analysis, and in game theory, introducing or codifying concepts including cellular automata, the universal constructor and the digital computer. His analysis of the structure of self-replication preceded the discovery of the structure of DNA.

Excerpt from the university calendars for 1928 and 1928/29 of the Friedrich-Wilhelms-Universität Berlin announcing Neumann's lectures on the theory of functions II, axiomatic set theory and mathematical logic, the mathematical colloquium, review of recent work in quantum mechanics, special functions of mathematical physics and Hilbert's proof theory. He also lectured on the theory of relativity, set theory, integral equations and analysis of infinitely many variables.

Von Neumann's gravestone

Von Neumann's memorial plaque on the wall of his birthplace in Budapest, 5th district Báthory u. 26.

Flow chart from von Neumann's "Planning and coding of problems for an electronic computing instrument", published in 1947