Karp
From Tardis Wiki, the free Doctor Who reference
Karp was Myrna Kendall's personal physician. He gave her a treatment that went wrong during a time distortion. The Sixth Doctor theorised that ti was his machine that was causing the time distortions but they still occurred after it was destroyed. (AUDIO: The Vanity Trap [+]Loading...["The Vanity Trap (audio story)"])