Emyr Hughes

Emyr Alun Moelwyn-HughesIn hmolscience, Emyr Alun Moelwyn-Hughes (1905-1978), oft-cited as E.A. Moelwyn-Hughes, was a Welsh physical chemist noted for 1947 frequently requoted (e.g. Philip Ball, 2004) aphorism that "energy among molecules is like money among men. The rich are few, the poor numerous".

In 1947, Moelwyn-Hughes, in his The Kinetics of Reactions in Solution, employed a proto-econophysics logic, when he compared money to energy and men to molecules: [1]

Energy among molecules is like money among men. The rich are few, the poor numerous.”

This saying is known in modern terms as the Pareto principle, named after Vilfredo Pareto. [2]

Hughes, the son of a minister, completed his BS in 1926, PhD in 1928, and DSc in 1933 at the University of Liverpool, much of which was focused around an interest in chemical reaction kinetics; after which he became a physical chemist at the University of Cambridge, focusing on the kinetics of reactions in solution. His magnum opus was his 1957 Physical Chemistry textbook. [3]

The following are related quotes:

“The complete physical chemist blows his own apparatus and solves his own equations.”
— Emry Hughes (1957), Physical Chemistry (pg. 1) [3]

1. (a) Moelwyn-Huges, Emyr A. (1947). The Kinetics of Reactions in Solution (quote, pg. 390). Claredon Press.
(b) Moelwyn-Huges, Emyr A. (1961). Physical Chemistry (pg. 343). Pergamon Press.
(c) Moelwyn-Huges, Emyr A. (1967). A Short Course on Physical Chemistry (pg. 136). Amerian Elsevier Pub. Co.
(d) Quoted by J.M. Thomas (1986). “Lecture” (pg. 3). Royal Institute Proceedings, Royal Institute Inaugural Lecture.
(e) Ball, Philip. (2004). Critical Mass - How One Thing Leads to Another (quote, pgs. 41-42). Farrar, Straus and Giroux.
2. Pareto principle – Wikipedia.
3. Spencer, Michael. (2012). “A Lost Intellectual?” (pdf), Friend’s Newsletter and Magazine (pg. 9-10), Oct 9.

External links
‚óŹ Moelwyn-Hughes, E.A. (Emyr Alun) – WorldCat Identities.

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