Embery (The Paradox Planet)
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Embery was the leader of Aoris in Era 14. He was experimenting with time travel to fight the war against the the future. He showed Romana II his time delayed bombs and wanted her to help him. With Romana's help they conducted an experiment but this blew up his lab. (AUDIO: The Paradox Planet)
A years after Romana's escape the Doctor arrived as an ambassador from the future, he tortured Fyrax to get information about time travel. The Doctor built his a field interface stabiliser. The Doctor took him to Era 24 to see the fault of the experiments. He was killed by Drang. (AUDIO: Legacy of Death)