Leonard Nimoy

American actor famous for playing Mr. Spock in Star Trek — the half-Vulcan science officer defined by the suppression of emotion in favor of pure logic — and who spent his career negotiating his relationship to this iconic role (I Am Not Spock, then I Am Spock).

Created the most culturally influential fictional representation of the Jungian shadow problem — Spock's radical suppression of his emotional nature (his human half) in favor of pure reason represents the classic Jungian one-sidedness that generates compensatory shadow material — making him the popular culture figure for the intellect-emotion split.