MBTI co-originator; typology pioneer

Katharine Cook Briggs (1875–1968)

1875-01-03 – 1968-07-10 · Profile updated 2026-08-31 · imINFJ

Research note: we include only facts traceable to Wikipedia, obituaries, or named publications. Speculative relationship lists and unverified biographical detail are omitted.

Biography

Katharine Cook Briggs was born in Ingham County, Michigan, on January 3, 1875. She studied at Michigan Agricultural College (later Michigan State University). With her daughter Isabel Briggs Myers, she co-developed what became the Myers–Briggs Type Indicator.

After reading Carl Jung’s Psychological Types, Briggs aligned her home observations with Jungian function language. Isabel led questionnaire design and publication; Katharine contributed early notes, item drafts, and decades of typological work at home. Katharine died in Swarthmore, Pennsylvania, on July 10, 1968.

Her husband Lyman James Briggs was a physicist and director of the National Bureau of Standards. He is not a co-inventor of MBTI—the typology line runs through Katharine and Isabel.

Representative Works

No single published book under Katharine’s name. Her contribution survives mainly in Briggs–Myers archives: early indicator drafts, item pools, and correspondence (1920s–1940s).

Reputation

Wikipedia and MBTI histories credit Katharine as co-creator of the indicator with Isabel. She is often overshadowed by later corporate branding of the instrument.

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