The biggest scientific feuds in history

Isaac Newton vs. Gottfried Wilhelm Leibniz on the invention of calculus: Contrary to what many believe, Isaac Newton wasn’t the only inventor of calculus.

Isaac Newton vs. Gottfried Wilhelm Leibniz on the invention of calculus: Leibniz published his paper on calculus first, and Newton was convinced he had been plagiarized.

Thomas Edison vs. Nikola Tesla and George Westinghouse on AC/DC: In 1885, Nikola Tesla left Thomas Edison's lab and took his invention of an alternating current.

Barry Marshall vs. gastroenterology on stomach ulcers: In 2005, Barry Marshall and Robin Warren won the Nobel Prize in Physiology.

Barry Marshall vs. gastroenterology on stomach ulcers: In 1979, Warren discovered that H. pylori could overrun a person’s gut.

Grover Krantz vs. other anthropologists on Bigfoot: When anthropologist Grover Krantz saw the famous 1967 film of Bigfoot.

Grover Krantz vs. other anthropologists on Bigfoot: Krantz believed the creature was an extinct primate from Asia.

Elizabeth Blackwell vs. medical schools on admitting women: In 1847, Elizabeth Blackwell applied to a dozen different medical schools in the American northeast.

Elizabeth Blackwell vs. medical schools on admitting women: When the Geneva Medical College received her application.

Ignaz Semmelweis vs. the medical community on washing your hands: Before people knew about germ theory, Dr. Ignaz Semmelweis ordered his hospital staff to wash their hands.

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