|Affiliated with:||Earth Security Council|
|Place of origin:||Earth|
Lieutenant Horst Leibniz was a telepath.
He secretly worked for the Earth Security Council. He was assigned to the Phoenix in 2387 on its mission to Gadrell Major. After Darius Cheynor's death, he was promoted to lieutenant-commander and became acting captain of the Phoenix. (PROSE: Infinite Requiem)