There are two main historical figures that are often cited as supposed “martyrs for science.” The first is the Neoplatonic philosopher and mathematician Hypatia of Alexandria, who was murdered in March 415 AD by a mob of Christians who supported Cyril, the bishop of Alexandria. The second is the Italian mystic Giordano Bruno, who was burned alive on 17 February 1600 by the Roman Inquisition.
Hypatia was a real scientist (or at least proto-scientist), but she was murdered for reasons entirely unrelated to her scientific work. As I discuss in this article I published in August 2018, all the surviving contemporary sources indicate that Hypatia was murdered due to her involvement in a bitter political feud between Orestes, the Christian Roman governor of Egypt, and Cyril, the bishop of Alexandria. Hypatia was one of Orestes’s major allies. Her murder was basically a political assassination.
Giordano Bruno, on the other hand, was not a scientist at all and he was executed for reasons entirely unrelated to science. Ironically, by insisting on calling him a “martyr for science,” Bruno’s admirers are kind of shooting themselves in the foot by destroying their own credibility.
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