Laura Heimbold was a female Human in Starfleet in the 24th century. In the year 2367, she was assimilated at the Battle of Wolf 359 and sent back to the Delta Quadrant aboard a Borg sphere. Heimbold was one of the drones who possessed the mutation allowing her to enter Unimatrix Zero, and was freed from the Collective by the USS Voyager in 2377. Her fate after that is unknown. (TNG novel: Greater Than the Sum)