character: Dr. Sylvia Earle
topic: Oceanographer and conservationist known for her research on ocean ecosystems.
subject: Geography
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character: Jacques Cousteau
topic: Famous oceanographer and filmmaker who raised awareness about marine science and conservation.
subject: Geography
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character: Albert A. Michelson
topic: Physicist who contributed to the study of ocean temperatures and their effects on climate.
subject: Geography
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character: Greg Johnson
topic: Oceanographer researching the impacts of sea temperature on global climate change.
subject: Geography
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