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Charles Robert Darwin notebook Jessica Gardner Cambridge University Library Mysterious man
04-06
Charles darwin Cambridge University Library The Tree of Life biologist United Kingdom
![Darwin's notebook reappears 22 years later, and the mysterious man is returned to the Cambridge University Library[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
