One of two or more people who jointly make a discovery or find something new at the same time.
From 'co-' (together) and 'discoverer' (one who discovers). Reflects the reality that many scientific discoveries involve multiple researchers.
The history of science is full of codiscoverers who get overlooked—like Rosalind Franklin's crucial X-ray photos that helped crack DNA's structure but brought her less fame than Watson and Crick.
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