Complex sentence: In 1827, Dr John Lee, an astronomer, inherited the house from the unmarried Revd Sir George Lee and during his ownership, the British Meteorological Society, now the Royal Meteorological Society was founded in the library in 1850.
Split into simpler sentences: In 1827, Dr John Lee, an astronomer, inherited the house from the unmarried Revd Sir George Lee. During his ownership, the British Meteorological Society, now the Royal Meteorological Society, was founded in the library in 1850.