David Hwang

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In existographies, David Hwang (24- AE) (c.1979- ACM) (SPE:36|66AE) (FET:35) (SNE:10) (CR:43) (LH:11) (TL:54|#190) is an American chemist and neurologist, noted for his 2001 “The Thermodynamics of Love”, wherein he describes the process of falling in love, in physico-chemical terms, on a reaction coordinate, one of the first to do so historically; his view is sometimes referred to as the "Hwang model", which can be compared to the Lange model (Lange, 1986), "Gates model" (Thims, 2014)[1], or "Camus model" (Camus, 1942).[2]


In 2001, Hwang, in his "Thermodynamics of Love", described the process of two people "falling in love", in respect to Gibbs energy and reaction coordinates, referring to a male M and female F, as "elements", and the bonded couple M-F as a "compound", using the following reaction notation:[3]

albeit with the MF complex specifically shown with a "bond" dash (-), as "M-F", which is implicit human chemical bond theory.

Hwang model | Falling in love

Hwang, in his article, diagrams the process of "falling in love" as follows:

Thermodynamics of love (Hwang, 2001).jpg

Here, we see that final states above the equilibrium line are unfavored, i.e. endergonic, and those below, favored, i.e. exergonic.

End matter


  1. Gates model – Hmolpedia 2020.
  2. Camus model – Hmolpedia 2020.
  3. Hwang, David. (2001). “The Thermodynamics of Love” (WB) (pdf), Journal of Hybrid Vigor, Issue 1, Emory University.

External links

Theta Delta ics T2.jpg