ORIGINS

A Brief History of the Enneagram

1915–1924

Gurdjieff Introduces the Symbol

Philosopher G.I. Gurdjieff introduced the nine-pointed enneagram diagram in his esoteric teachings in Russia and Europe, though not as a personality typology.

1960s–1970s

Óscar Ichazo Develops the Types

Bolivian philosopher Óscar Ichazo first mapped nine ego-fixations onto the enneagram symbol in his Arica School teachings in Chile, laying the foundation for the personality types.

1970s

Claudio Naranjo Expands the System

Chilean psychiatrist Claudio Naranjo synthesized Ichazo's ideas with modern psychology and introduced the system to North America, teaching it in Berkeley, California.

1984

First English Publication

Helen Palmer's book 'The Enneagram' brought the system to a wide audience, followed by Riso and Hudson's foundational work throughout the 1990s.

1990s

The Enneagram Institute Founded

Don Richard Riso and Russ Hudson formalized the system, creating comprehensive type descriptions, the Enneagram Institute (enneagraminstitute.com), and the RHETI assessment.