In existographies, Christopher Hirata (27- AE) (1982- ACM) (SNE:4) (SPE:3|66AE) (CR:184) (LH:6) (TL:190|#50) is an American astrophysicist, noted for 
In 2000, Hirata, in his “Physics of Relationships: a Thermo-Chemical Approach to Relationships”, outlined a human chemical thermodynamics model of relationships and mate selection equilibria in college.
- ↑ (a) Hirata, Christopher M. (c.2000). “The Physics of Relationships” (abs) (WB) (Yumpu), Tapir.Caltech.edu; (WayBack Machine).
(b) Hirata, Christopher M. (2010). "The Physics of Relationships" (pdf), Journal of Human Thermodynamics, 6(5): 62-76.
- ↑ Hirata timeline – Hmolpedia 2020.