Dr. Judith Mossman is a female human from Golmar Earth. She was the scientist who plays an integral role in the Golmar Uprising. She is a cunning and manipulative triple agent, aiding both sides during the Uprising but eventually siding with the Earth Freedom Fighters. Later on she discovered a secret and powerful project that could be used against the Combine. Later on she discovered a secret and powerful project that could be used against the Combine, in a vanished ship named the Borealis.
Biography[]
Before the Black Mesa Incident, Mossman was a promising, up-and-coming research scientist. She applied for the same post as Gordon Freeman at Black Mesa, but lost out to Freeman's Innsbruck experience (as said by Eli Vance in Black Mesa East) and Isaac Kleiner's personal recommendation.
Years after the Combine invasion, Mossman became an important member of the Resistance base Black Mesa East, where she partnered with Eli Vance in making scientific advances to aid the Resistance war effort. Unbeknownst even to Alyx Vance, who disliked her, she also spied for the Combine, and reported directly to Dr. Wallace Breen. How and when she took on this role is not known, but Breen's impatience with her and his remark that the Combine "could have taken [Eli] at almost any time in the last several years" suggests that she acted as a double agent for some time before Freeman's reappearance. She also leaked the secret of local teleportation to the Combine, a technology they had previously lacked.
Personality and Trait[]
Mossman has a friendly if cunning personality, tempered by a certain amount of arrogance. She does not get on well with Alyx Vance, due to what Mossman considers is Alyx's blasé attitude towards the Lambda Resistance's scientific equipment, and also possibly due to Mossman's attraction to Alyx's father, Eli. According to Alyx, Mossman, despite her overtly courteous manner towards the protagonist, nurses resentment against Gordon Freeman due to his appointment over her at Black Mesa; she believes that "it should have been her in the test chamber that day". Despite her cynical manipulations, however, she is apparently able to reconcile her differences to defeat the Combine.
Even though she was overshadowed by Gordon Freeman in her application for Black Mesa, that's not to say Judith isn't experienced in teleportation technology. Under the tutelage of Eli Vance she was able to aid the combine in creating their own local teleportation technology similar to Kleiner's lab teleporter. However, the one she helped the combine create at Nova Prospket was much slower and required a larger power source, which would still require a long charge-up time and what would seem like seconds for those being teleported could be up to 2 weeks. She was experienced enough in the field to be sent to the Borealis in hopes of uncovering a secret technology that could push the combine out of Golmar Earth for good.
Mossman's double betrayal is open to interpretation and never fully explained during the war. A likely explanation is that she had a change of heart in aiding the Combine after seeing Breen's callous treatment of Eli. However, it is also possible, particularly through her proclamation that taking Eli to Breen was "the only way", and her telling Gordon after his capture in the Citadel that until he is where Breen wants him, there is nothing he can do, that she planned the final confrontation in the Citadel from the beginning. Another theory, inferred from her conversations with Dr. Breen, is that she considered cooperation with the Combine as the only way to ensure Eli's safety; of course, this could also have been her way of throwing all parties off as to her intentions.