Tree doctor

November 6, 1998

(Photograph) - Tree doctor: A physicist from York University believes he has unearthed the apple tree which inspired Sir Isaac Newton's theory of gravity. Richard Keesing is now awaiting the results of DNA tests to confirm that the tree (pictured above with National Trust custodian Peter Joyce) is still growing in the garden of Newton's birthplace at Woolsthorpe Manor near Grantham.

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