Some names stay with us over hundreds and even thousands of years. Great thinkers left their mark on scientific discovery, although some were far ahead of their time. For Galileo Galilei, new tools allow him to make bold statements about the nature of the Universe. But what happens when what seems obvious flies in the face of accepted truth? In ancient Alexandria, scholar Hypatia makes contributions to mathematics and science. But how does her celebrity become a double-edged sword? And for a roving scholar unwilling to bow down to authority, every new city offers a new pulpit for his religious and astronomical beliefs. But when there's nowhere left to run, how does Giordano Bruno face those he's angered in his wake?
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