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Character
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Emil Keller

innovative precise collaborative
Emil Keller is a Swiss engineer who invented the Keller machine for psychological processing and behavioral modification. He directs installations in secure facilities, relying on skilled assistants like Captain Chin Lee for on-site work. Keller connects engineering innovation to institutional needs in mental health and security, building trust in his devices' technical reliability.
2 appearances
Behavioral Modification Technology
Also known as: Keller

Emil Keller's Journey

A timeline through the narrative

2 moments
S8E6 · The Mind of Evil Part 2
Doctor links Keller machine to Chin Lee

Unobservable, but inferred to be oblivious to the machine’s misuse by the Master.

Emil Keller is mentioned by the Doctor as the creator of the Keller machine and as having had a Chinese assistant (Captain Chin Lee) during its installation at Stangmoor Prison. …

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S8E6 · The Mind of Evil Part 2
Brigadier reveals Chin Lee’s disappearance

Not directly observable, but inferred to be oblivious to the broader conspiracy. His role is that of a unwitting facilitator, focused on the technical aspects of his machine rather than its sinister applications.

Emil Keller is mentioned by the Doctor as the installer of the Keller machine at Stangmoor Prison, with Chin Lee present as his assistant. His role in the event is …

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Affiliation

UNIT
Military Intelligence and Paranormal Crisis Response