Biography of William Lassell (1799-1880)

Amateur astronomer British born in Bolton, in the County of Lancashire, on 18 June 1799 and died on October 5, 1880 in Maidenhead, Berkshire County, he/she discovered Ariel and Umbriel, two satellites of Uranus, Triton, Neptune satellite and Saturno HiperiĆ³n satellite.

In 1818 he/she joined as a trainee in a distillery, and seven years later opened its own liquor manufacturing business. Around 1844, he/she began to build your own telescope from reflection of 24 inches, which discovered Triton on October 10, 1846. Two years later he/she discovered Hyperion the same night in which the brothers William and George Bond were made the same discovery. Another simultaneous discovery among these scientists was in 1850 dark inner ring of Saturn. During a stay in Malta he/she discovered Ariel and Umbriel, and years later built on this island a 48 inch telescope that observed and catalogued hundreds of nebulae. It belonged to the Royal Society of London and was President of the Royal Astronomical Society between 1870 and 1872.