http://en.wikipedia.org/wiki/John_Wrottesley,_2nd_Baron_Wrottesley

John Wrottesley, 2nd Baron Wrottesley FRS FRAS (5 August 1798 – 27 October 1867) was an English astronomer.

Wrottesley was the son of John Wrottesley, 1st Baron Wrottesley, and his first wife Lady Caroline Bennet, daughter of Charles Bennet, 4th Earl of Tankerville. He succeeded his father in the barony on March 16, 1841. Wrottesley is distinguished for his attainments in astronomical science, was a founding member of the Royal Astronomical Society and served as its president from 1841 to 1842. In 1839 he received the Gold Medal of the Royal Astronomical Society for his Catalogue of the Right Ascensions of 1,318 Stars. He was also President of the Royal Society from 1854 to 1858. In 1853 he called the attention of the House of Lords to Lieutenant Maury's valuable scheme of meteorological observations and discoveries; and on Nov. 30, 1855, succeeded the Earl of Rosse as President of the Royal Society.

The crater Wrottesley on the Moon is named in honour of John Wrottesley.

Lord Wrottesley died in October 1867, aged 69, and was succeeded in the baronetcy and barony by his son Arthur Wrottesley.