William Crabtree
(1610-1644)

Died aged c. 34

William Crabtree (1610–1644) was an astronomer, mathematician, and merchant from Broughton, then in the Hundred of Salford, Lancashire, England. He was one of only two people to observe and record the first predicted transit of Venus in 1639 .

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Commemorated on 1 plaque

Nick Harrison on Flickr

William Crabtree 1610-1644 The Salford Astronomer. In this area stood the house of William Crabtree from where he observed the Transit of Venus on Sunday 24 Nov. 1639

388 Lower Broughton Road, Salford, United Kingdom where they lived and observed the Transit of Venus (1639)