Yuri Andronov

"What you do, kills us both."

- Yuri Adronov to Morgan Yu during the Mimic testing.

Yuri Andronov was a former cosmonaut and for unknown reasons ended up in the volunteer program aboard Talos I.

Background
Yuri Adronov was imprisoned by the government of Soviet Union for speaking against their military intervention in India. After being sent to a camp in Siberia, Adronov agreed to participate in TranStar volunteer program in order to see his daughter, Mikhaila Ilyushin again.

While aboard Talos I, Adronov is sacrificed to a Mimic for Typhon research purposes. Morgan was involved in the experiment

Prey (2017)
Because of his disappearance at Siberia, his daughter started working aboard Talos I in hope to learn of what happened to her father.