A researcher was an individual that conducted research.

Professor Donald Kelt was the lead researcher at the Lashley Institute. (PROSE: Artificial Intelligence)

Mark Gregory was a researcher for International Electromatics. He assisted in developing the Cerebration Mentor for use as a weapon against the Cybermen. After UNIT rescued Professor Watkins, the Cybermen shot and killed him. (TV: The Invasion)

Julian St Stephen was a researcher who worked as a consultant to the Ministry of Defence in 1964. (AUDIO: Artificial Intelligence)

Adam Mitchell was employed by Henry van Statten as a researcher for GeoComTex. (TV: Dalek)

Dr Jade McIntyre was a research scientist at Sheffield Hallam University in 2018, with a focus on arachnids and arthropods, especially spiders. (TV: Arachnids in the UK)

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