Original: Goldschmidt resigned in 1885 to be replaced by Charles Villiers Stanford, organist of Trinity College, Cambridge and conductor of the Cambridge University Musical Society, who had recently been appointed Professor of Composition at the Royal College of Music.
Simplified: Goldschmidt resigned in 1885 and Charles Villiers Stanford became conductor. Stanford had already become well-known as organist of Trinity College, Cambridge and conductor of the Cambridge University Musical Society.