found:Wikipedia, January 25, 2019:(Petr Beckmann (November 13, 1924-August 3, 1993) was a professor of electrical engineering who became a well-known advocate of libertarianism and nuclear power; received a B.Sc. in 1949, a Ph.D. in 1955, and a D.Sc. in 1962, all from Prague's Czech Academy of Sciences in electrical engineering; became a Professor (later, Emeritus) of electrical engineering at the University of Colorado; born ... Prague, Czechoslovakia; died ... Boulder, Colorado)