Person | Date
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| Experiment
| Result
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 | Johann Goethe | 1808 | 59 | Love thought experiment: while writing a story called “The Renouncers”, which was about a hero simultaneously in love with four women; the synopsis of which, in his view, was that “each in her own way is lovable; whichever one he is drawn to in the mood of the moment, she alone is lovable”, he contemplated who to use the "determinate power" (Bergman, 1775) of the science of affinity chemistry to correctly "choose" who to love. | Goethe took it up again early the next year, after which the tale ballooned into a novel, progressed quickly, and before the end of the year (Oct 3, 1809) it was in print under the enigmatic title Elective Affinities, thus launching the science of human chemistry. |
 | Rudolf Clausius | 1849 | 27 | Wondered how Carnot’s 1824 incorrect supposition, that at the end of a heat cycle a body returns unchanged to its original state (or atomic position), could be amended in light of the mechanical equivalent of heat. | Led to the founding the science of thermodynamics, in the 1865 book The Mechanical Theory of Heat |
 | James Maxwell | 1867 | 36 | Wondered if an intelligent agent at the boundary between a hot and a cold gas vessel, could circumvent the second law, by selectively choosing which speed particles can pass through the boundary. | Led to the century-long debate over the concept of 'Maxwell's demon'. |
 | Ludwig Boltzmann | 1868 | 24 | Speculated on what would happen to a volume of gas rising in earth’s gravitational field. [2] | Led to the Maxwell-Boltzmann distribution |
 | Albert Einstein | 1895 | 16 | While daydreaming, began to ponder “what would it be like to run beside a light beam, at the speed of light.” [3] | Led to the development of the special theory of relativity. |
 | Libb Thims | 1995 | 23 | Love thought experiment: while daydreaming in a chemical engineering thermodynamics class, began to wonder how the spontaneity criterion of chemical thermodynamics could be used to predict reactions between people, as is done with simple chemical reactions, particularly in application to mate selection, in order to "choose" who to correctly marry. | Led to the writing of the 2007 textbook book Human Chemistry, the 2008 booklet The Human Molecule, and Hmolpedia (2,300+ articles). |