Feyn Vann

Feyn Vann was a human male scientist who worked for the Nordoxicon Unlimited company. Around 19 BBY, he was forced into Imperial service. During that time, Vann worked in the kyber crystal research team, a division of the Tarkin Initiative based on the Outer Rim planet Eadu. Guided by the expertise of crystallographer Galen Erso, he and his colleagues worked to turn kyber crystals into a viable energy source for the Death Star's superlaser, giving it the capability to destroy entire planets. Vann's duties on Eadu included creating a set of deflectors that would drive the hypermatter flow of the station's annihilation reactor toward the Death Star's kyber crystals.

In 1 BBY, Imperial Director Orson Krennic found evidence that a member of Vann's research team had conspired with a cargo pilot to send a message to the Rebel Alliance about the Death Star project. The director instructed his death troopers to confront the scientists, demanding that the traitor expose himself. Despite Erso admitting to the betrayal, Krennic had his troopers execute the research team, including Vann.

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