Karl Deutsch
Karl Wolfgang Deutsch 21 July 1912 – 1 November 1992 was a social in addition to political scientist from Prague. He was the professor at MIT, Yale University & Harvard University, as living as Director of Wissenschaftszentrum Berlin International Institute for Comparative Social Research.
An influential 20th century social scientist, Deutsch studied war and peace, nationalism, co-operation, and communication, as alive as pioneered quantitative methods and formal system analysis and model-thinking into the field of political and social sciences.