Bruce Prestridge was a Federation medical doctor and scientist who was assigned to Newton Outpost in the 24th century.
In 2385, Prestridge was with Odo in a decontamination chamber when the Changeling-like entity that Newton Outpost was studying became violent. (DS9 novel: Sacraments of Fire)
Prestridge was killed by the entity. (DS9 novel: Ascendance)