Quote of the day
No written law has ever been more binding than unwritten custom supported by popular opinion.
Louis Leon Thurstone
![Louis Leon Thurstone](/img/nopic_profile.png)
Born: May 29, 1887
Died: September 30, 1955 (aged 68)
Bio: Louis Leon Thurstone was a U.S. pioneer in the fields of psychometrics and psychophysics. He conceived the approach to measurement known as the law of comparative judgment, and is well known for his contributions to factor analysis.
Known for:
- The nature of intelligence (1924)
- Primary Mental Abilities (1938)