Sandra Tillson

Sandra Tillson was an archaeologist who was stationed at Ivanoff Station in 2557, in order to help study the Composer.

Biography
During the Raid on Ivanoff Station, she assisted in evacuating the station, while Master Chief was clearing the station of Covenant attackers.

She was killed when the Didact activated the Composer, digitizing her and everyone aboard Ivanoff Station, save the Master Chief, and storing them in the Composer, which was later destroyed.

Trivia
Dr. Tillson is voiced by actress Adrienne Barbeau.

List of appearances

 * Halo 4