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Focusing energy

Focusing energy

A self-described “contrarian,” neurosurgeon and inventor John Adler believes sometimes you need to “break a few rules if you’re going to change the world.” 

While the field of radiosurgery was restricted to use in the brain during its infancy, Adler focused his energy on expanding the technology in other parts of the body — breaking “rules” in the process. The result is a system that can deliver precise therapeutic radiation anywhere in a patient's body.

1 min read


Each month, our Journeys of Innovation series tells the stories of inventors or entrepreneurs who have made a positive difference in the world. This month we focus on John Adler, a neurosurgeon and inventor who is being inducted into the National Inventors Hall of Fame this year for his CyberKnife stereotactic radiosurgery system technology. To learn about other inductees, check out Greatest in American innovation.

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Credits

Produced by the National Inventors Hall of Fame in partnership with the United States Patent and Trademark Office. Graphic on the homepage by Gabriella McNevin-Melendez. For feedback or questions, please contact inventorstories@uspto.gov.

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