# Raymond B. Cattell

> Academic resource on the life, work, and enduring scientific legacy of Raymond Bernard Cattell (1905–1998) — pioneering British-American psychologist, creator of the 16 Personality Factor model (16PF) and the theory of fluid and crystallized intelligence.

The site is multilingual (10 languages) and covers Cattell's biography, key theories, the full 16PF model, his six major publications, and his lasting influence on personality psychology, psychometrics, and cognitive science (Big Five, NEO-PI, Cattell-Horn-Carroll theory).

## Core sections

- [Biography](https://raymondcattell.com/#biography): Life from Devon to Illinois (1905–1998)
- [Key theories](https://raymondcattell.com/#theories): 16PF, fluid/crystallized intelligence, dynamic calculus
- [16 Personality Factors](https://raymondcattell.com/#personality): Full table of all 16 primary factors with high/low descriptors
- [Key publications](https://raymondcattell.com/#publications): Six seminal works, 1950–1987
- [Enduring legacy](https://raymondcattell.com/#legacy): Influence on Big Five, NEO-PI, Cattell-Horn-Carroll theory

## Languages

- [English](https://raymondcattell.com): Default
- [Español](https://raymondcattell.com/es)
- [Français](https://raymondcattell.com/fr)
- [Deutsch](https://raymondcattell.com/de)
- [日本語](https://raymondcattell.com/jp)
- [Italiano](https://raymondcattell.com/it)
- [Português](https://raymondcattell.com/pt)
- [简体中文](https://raymondcattell.com/zh)
- [Русский](https://raymondcattell.com/ru)
- [한국어](https://raymondcattell.com/ko)

## Additional resources

- [Sitemap](https://raymondcattell.com/sitemap.xml): Machine-readable index of all URLs
- [robots.txt](https://raymondcattell.com/robots.txt)