Laurie Walls

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About

Laurie Walls is a leading aerospace engineer whose work focuses on cryogenic propellant management and in-space propulsion systems. Her most-cited paper, “Simple, robust cryogenic propellant depot for near term applications” (2011, 35 citations), proposes a practical, scalable depot design that could enable on-orbit refueling of cryogenic stages. This concept represents a paradigm shift for space transportation, supporting NASA’s Exploration program, deep-space robotic missions, national security, and commercial ventures alike. By addressing the technical and operational challenges of storing and transferring cryogenic fluids in microgravity, Walls has contributed foundational ideas that could reduce launch costs and extend mission durations. Her work bridges the gap between near-term engineering feasibility and long-term space exploration goals, making her a key voice in the development of sustainable orbital infrastructure. While her citation count is modest, the direct relevance of her research to NASA’s Artemis program and commercial spaceflight underscores its growing importance. Laurie Walls continues to influence the next generation of space architects and propulsion engineers.