Lindley L. Johnson
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1
Total Citations
37
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About
Lindley L. Johnson is a leading figure in planetary defense and near-Earth object (NEO) exploration, whose work has fundamentally shaped how humanity prepares for potential asteroid impacts. As NASA’s first Planetary Defense Officer, Johnson has been instrumental in advancing the detection, characterization, and mitigation of hazardous asteroids and comets. His most cited work, the 2009 study on sending the Orion Crew Exploration Vehicle to a NEO, demonstrated the feasibility of human missions to these celestial bodies, bridging crewed spaceflight and planetary science. This pioneering research, which has garnered 37 citations, laid critical groundwork for future exploration and defense strategies. Johnson’s leadership in the development of the Double Asteroid Redirection Test (DART) mission—the first-ever test of kinetic impactor technology—represents a landmark achievement, proving that humanity can alter an asteroid’s trajectory. With over two decades at NASA, his contributions have not only advanced scientific understanding but also provided actionable frameworks for global planetary defense, making him a pivotal figure in safeguarding Earth from cosmic threats.
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