Jeremiah Dixon & Charles Mason
Jeremiah Dixon & Charles Mason
1733-1779
1728-1786
English astronomers famous for surveying the disputed boundary between Maryland and Pennsylvania (1763-68). The boundary they established, which has since come to be known as the Mason-Dixon line, settled the quarrel and remains the most famous boundary in the United States. As part of international efforts to accurately determine solar parallax, Mason and Dixon participated in a Royal Society expedition to observe the 1761 Venus transit. They separately observed the 1769 Venus transit.
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Jeremiah Dixon & Charles Mason
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Jeremiah Dixon & Charles Mason