Where was the person who observed Venus' transit at the same time as Jeremiah Horrocks originally from?
William Crabtree 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 .
Arthur Francis O'Donel Alexander Arthur Francis O'Donel Alexander (1896–1971) was an English amateur astronomer and author. He is best known for his books "The Planet Saturn - A History of Observation, Theory and Discovery" (1962), and "The Planet Uranus - A History of Observation, Theory and Discovery" (1965), historical accounts of the observations of these planets from the earliest date up to the date of publication.