√ Joseph Haydn !
was the correct answer!
The story behind:
First, after having been granted an extended leave of absence from service at the Esterházy court, and having moved to Vienna at the end of 1790, at the age of 58 Joseph Haydn found himself in the position of a musician free to do as he pleased at the beginning of a possibliy long-planned personal career where he would earn his own way. The violonist Johann Peter Salomon invited him to do a concert series in England and Haydn seized the oppotunity at once. [ from the book “Joseph Haydn. Great Austrian Composer”]
Johann Peter Salomon (1745 – 1815),
painted by Thomas Hardy, London 1792
(picture from wikimedia commons)
For 5000 guilders, Haydn agreed to compose 27 pieces for London concert manager Johann Peter Salomon and to have them performed in concerts, conducting them himself. When Mozart expressed reservations that Haydn did not even speak English, he said:
“Meine Sprache verstehet die ganze Welt!” (original)
“My language is understood throughout the world!”(translation)
Looking back, Haydn often said the years in England (1791 – 1792, 1794 – 1795) were the happiest of his life. During those years Haydn reached the zenith of his fame.