# Roger Long

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English astronomer

Roger Long by [Benjamin Wilson](/source/Benjamin_Wilson_(painter))

**Roger Long** (1680 – 16 December 1770) was an English [astronomer](/source/Astronomer), and Master of [Pembroke College](/source/Pembroke_College%2C_Cambridge), [Cambridge](/source/University_of_Cambridge) between 1733 and 1770.

Roger Long was the son of Thomas Long of [Croxton, Norfolk](/source/Croxton%2C_Norfolk). He was educated at [Norwich School](/source/Norwich_School) and later admitted to [Pembroke College, Cambridge](/source/Pembroke_College%2C_Cambridge) in 1696/7.[1][2] Graduating BA in 1700/1, he became a fellow of Pembroke. He was ordained in 1716, and became Rector of [Orton Waterville](/source/Orton_Waterville). He became a Doctor of Divinity in 1728, and Master of Pembroke in 1733. From 1750 until 1770 he was the first holder of the [Lowndean Professorship of Astronomy](/source/Lowndean_Professor_of_Astronomy_and_Geometry).[2]

One of the great characters of eighteenth-century [Cambridge](/source/Cambridge), he built a "water-work" in his garden and paddled round it on a water-cycle. He also constructed a "zodiack", now considered to be the first [planetarium](/source/Planetarium), a hollow sphere that could hold thirty people showing the movements of the planets and constellations which remained in the grounds of Pembroke until 1871.

## References

1. **[^](#cite_ref-1)** Liba Taub, [‘Long, Roger (1680–1770)’](http://www.oxforddnb.com/view/article/16975), Oxford Dictionary of National Biography, Oxford University Press, 2004, accessed 2 October 2013

1. ^ [***a***](#cite_ref-Venn_2-0) [***b***](#cite_ref-Venn_2-1) ["Long, Roger (LN696R)"](https://venn.lib.cam.ac.uk/cgi-bin/search-2018.pl?sur=&suro=w&fir=&firo=c&cit=&cito=c&c=all&z=all&tex=LN696R&sye=&eye=&col=all&maxcount=50). *A Cambridge Alumni Database*. University of Cambridge.

Academic offices Preceded by John Hawkins Master of Pembroke College, Cambridge 1733–1770 Succeeded by James Brown

Authority control databases International ISNI VIAF GND WorldCat National United States Netherlands Belgium Artists FID People Deutsche Biographie Other IdRef Open Library SNAC Yale LUX

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