Vanderweg was a Human who worked as a micropaleontologist on Mora V. He had a wife, Greta who served as a Starfleet science officer on board Deep Space 9 from 2372 until her murder in 2375.

A photograph in her quarters depicted him and Greta on their wedding day. The happiness on their faces prompted her killer, Chu'lak, to choose Greta as one of his victims that year. (DS9: "Field of Fire")

Vanderweg was played by an unknown performer.
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