English merchant and astronomer (1799–1880)
William Lassell
Born (1799-06-18 ) 18 June 1799Died 5 October 1880(1880-10-05) (aged 81) Known for Discovered the moons Triton , Hyperion , Ariel and Umbriel Awards Scientific career Fields Astronomer
William Lassell (18 June 1799 – 5 October 1880) was an English merchant and astronomer .[ 1] [ 2] [ 3] [ 4] [ 5] [ 6] He is remembered for his improvements to the reflecting telescope and his ensuing discoveries of four planetary satellites.
^ "Lassell, William" . Dictionary of National Biography . London: Smith, Elder & Co. 1885–1900.
^ AN 98 (1881) 108 (in German)
^ "William Lassell" . Monthly Notices of the Royal Astronomical Society . 41 (4): 188–191. 1881. Bibcode :1881MNRAS..41..188. . doi :10.1093/mnras/41.4.188 .
^ Huggins, Margaret Lindsay (1880). "The late Mr. William Lassell, LL.D., F.R.S.". The Observatory . 3 (43): 587–590. Bibcode :1880Obs.....3..586H .
^ "The Late Mr. Lassell" . Astronomical Register . 18 (215): 284–285. 1880. Bibcode :1880AReg...18..284. Retrieved 8 November 2015 .
^ McFarland, John (2014). "Lassell, William". In Hockey, Thomas; Trimble, Virginia; Williams, Thomas R. (eds.). Biographical Encyclopedia of Astronomers . New York: Springer Publishing . pp. 1281–1283. doi :10.1007/978-1-4419-9917-7_828 . ISBN 978-1-4419-9917-7 .