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John Stuart Mill (May 20, 1806- May 7, 1873)
System of Logic 1843:
John Mills was know for many works within the field of philosophy. Similar to our lesson objective on deductive and inductive reasoning, Mills was one of the first to establish a inductive equation for thought. If all of A=B and C=A then C must also be equal to B. Mills was one of the founders to question this deductive method that we use today and establish five principles to inductive reasoning. -
Friedrich Engels (November 28, 1820- August 5, 1895)
The Communist Manifesto 1848:
One of the most influential political documents was coauthored by the famous free thinker Friedrich Engels alongside the often mistaken sole author Karl Marx. Similar to some of his earlier works "The Condition of the Working Class" (1844), Engel often describes in his work traditional socialism. Engel established a scientific socialism that he believed if implemented would solve global problems such as world hunger and poverty. -
Niels Bohr (October 7, 1885- November 18, 1962)
The Bohr Model 1913:
Niels Bohr was as much a philosopher as he was a physicist. His theoretical investigations into the natural world devised some of the most influential models of how we percieve scientific laws such as the electron theory. His model of the atomic structure proposed in 1913 won a nobel prize in 1922. The theories that Bohr contributed also shed light to other theoretical fields of science such as quantum physics, nuclear fission, and peaceful application of atomic physics. -
Carl Hempel (January 8, 1905- November 9, 1997)
Deductive-Nomologic Model 1940:
Carl Hemple spent many of his years as a logician focusing on scientific explanation. Although he never coined the term logical positivism he sought to explain other aspects of studies in the same way as natural scientists would. Through deductive reasoning Hemple believed that historic events could be formulated to predict future events, similar to the cause and effect of natural law. (YouTube)[https://www.youtube.com/watch?v=WmpEqZQ60n8]