Morgan (The Spectre of Lanyon Moor)
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Morgan was the head of the Lanyon Moor institute. He didn't understand some of the ideas that the Sixth Doctor had. He eventually agreed with the Doctor's theorems. He was murdered by Sancreda. (AUDIO: The Spectre of Lanyon Moor [+]Loading...["The Spectre of Lanyon Moor (audio story)"])
Behind the scenes
This character's name and the references to Leamington-Smith along with the connection to Cornish archaeology suggest a link to Professor Idwal Morgan who appeared in The Stones of Blood (TV story [+]Loading...["The Stones of Blood (TV story"], there is however a 22 year gap between that story and this one.