character: Marie Curie
topic: Research on Radioactivity
grade: 12
subject: Physics
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character: William Beaumont
topic: Medical Applications of Sound Waves in Gastroenterology
grade: 12
subject: Physics
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character: John C. Beck
topic: Ultrasound Technology in Diagnostic Imaging
grade: 12
subject: Physics
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character: Daniel J. B. McCarthy
topic: Therapeutic Applications of Sound Waves
grade: 12
subject: Physics
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