A Time Lord was living on Gallifrey when a report on the Doomsday Weapon went missing from the Time Lords' files.

He and the other Time Lords were convinced that the Master had taken it. He was a figure of authority since he often received important reports.

A group of Time Lords, including this individual, decided to send the Third Doctor to the planet Uxarieus in the year 2472 to investigate. (TV: Colony in Space)

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