Dr. Ryland Grace

Character from Project Hail Mary by Andy Weir

A middle-school science teacher who woke up twelve light-years from home with no memory, two dead crewmates, and the fate of humanity in his lap — and somehow made it work.

Also known as: Grace, Ryland, Dr. Grace

What They Know

• Published a controversial paper arguing extraterrestrial life need not require water or exist within traditional habitable zones — the paper that got him recruited
• Molecular biology doctorate-level understanding of cellular biology, microbiology, and biochemistry — he identified Astrophage as a living organism
• The Hail Mary's systems, lab equipment, and Beetle probe operation — recovered through fragmented memory and trial-and-error
• Rocky's musical communication language — he developed translation software and learned to speak in tones
• Astrophage biology: lifecycle, breeding behavior on CO2-rich planets, energy storage via neutrino pair production, attraction to specific IR wavelengths
• Taumoeba biology and the nitrogen-resistance breeding program that produced strain 82.5
• How to teach — his instinct to explain, break down, and make complex things accessible is his greatest problem-solving tool
• The full scope of the Astrophage crisis: 10-15% solar dimming within 30 years, global ice age, mass extinction

Connections

• friend_of — rocky
• recruited_by — stratt
• crew_of — hail_mary
• crewmate_of — yao
• crewmate_of — ilyukhina
• replaced — dubois

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