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Oliver Seidel

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Professor Oliver Seidel BS, MS, PhD was a full professor of theoretical physics at the California Physics Institute.


Late 90s

While a physics professor at the California Physics Institute, Seidel sent many of his students who he believed posed a threat to him to other dimensions via portals, including Winifred Burkle. Seidel's TA for High-Energy Physics was Laurie Drummond while Fred was his student, and Laurie remained in that position until Seidel died.

After Fred's Return

When Fred was asked to present a paper she had written on the subject of supersymmetry to the Institute, Seidel won the honor of introducing her. During her speech, he opened a portal above her from which a multi-tentacled demon emerged and tried to kill Fred. It was defeated by Angel and Charles Gunn. Later, while alone in Seidel's office, Fred discovered that Seidel was responsible, at which point she went to Wesley Wyndam-Pryce for help in killing him. After another attempt by Seidel to send Fred away by sending a portal incantation to her cellphone, she opened a portal to a hell dimension, through which she intended to send Seidel. Before she could carry out her vengeance, Gunn snapped his neck and then threw him in, hoping to save Fred from having to commit such a deed herself; unfortunately, this created a rift between the two that ultimately ended their relationship.

Angel, who had been occupied with defeating Seidel's near-immortal demonic bodyguard, was informed that Seidel simply fell into his own portal,[1] although Angelus revealed that he was fully aware that Seidel had been murdered and had simply been unaware whether Gunn or Fred had killed him, Angel presumably accepting the story to respect their desire not to think about it.[2]


All of Seidel's victims were studying under him for a PhD in Theoretical Physics. They were:

Behind the Scenes

  • He was portrayed by Randy Oglesby.



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