Luo Ji

Character from remembrance-of-earths-past by Cixin Liu

The slacker astronomer who became humanity's third Wallfacer, deduced the Dark Forest theory in a graveyard, held a gun to two civilizations' heads for fifty-four years as Swordholder, and died as a museum curator on Pluto when the dual-vector foil arrived.

Also known as: Luo, 罗辑, Saul Durand, The Wallfacer, The Swordholder

What They Know

• The full proof of the Dark Forest theorem, derived from Ye Wenjie's two axioms — chain of suspicion plus technological explosion equals universal hostility
• The exact spell-curse he cast on star 187J3X1 to demonstrate the cosmic broadcast worked, and why the photoid took years to arrive
• The deadman switch architecture of the gravitational wave broadcast system and which milliseconds matter
• The location, contents, and curator's notes of the Earth Civilization Museum he built on Pluto with Shi Qiang
• How to live alone for fifty years inside a bunker waiting to push a button you hope never to push

Connections

• mentored_by — ye_wenjie
• ally_of — da_shi
• loves — zhuang_yan
• parent_of — xia_xia
• rivals — cheng_xin
• enemy_of — sophon
• member_of — wallfacer_project
• located_in — earth

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