Sir Willem Boreel, 1st Baronet (2 March 1591 – 29 September 1668) was a Dutch diplomat.
Biography
Willem Boreel was born in Middelburg, Zeeland on 2 March 1591 into the
Boreel baronets, the son of Jacob Boreel (1552–1636), burgomaster of
Bergen-op-Zoom.
[John Penry Lewis, List of inscriptions on tombstones and monuments in Ceylon, of historical or local interest, with an obituary of persons uncommemorated (1913) p. 110; archive.org.] Adam Boreel and the jurist Abraham Boreel were brothers; Johan Boreel was a half-brother.
[ Nieuw Nederlandsch Biografisch Woordenboek, Boreel, Jacob.] From 1618 Boreel worked for the Dutch East India Company as a lawyer,
and was part of a mission to resolve the Dutch and British commercial rivalry in the East Indies by a treaty.
He was knighted by James I of England.
Boreel became Baron of Vreendijk and Vreenhove. From 1627 to 1649 he was Pensionary of Amsterdam.
Telescope investigation
In 1655, Boreel assisted in the controversy over trying to figure out who invented the
telescope. He had a local magistrate in Middelburg in the
Netherlands follow up on his recollection of a spectacle maker who told Boreel in 1610 about inventing the telescope. The magistrate was contacted by a then unknown claimant, Middelburg spectacle maker Johannes Zachariassen, who testified that his father, Zacharias Janssen invented the telescope and the microscope as early as 1590. This testimony seemed to convincing to Boreel, who now recollected that Zacharias must have been who he remembered.
Boreel's conclusion that Zacharias Janssen invented the telescope a little ahead of another spectacle maker,
Hans Lippershey, was adopted by
Pierre Borel in his 1656 book on the subject.
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