A portrait of Wolfgang Amadeus Mozart that lay unidentified for more than 200 years has been proved to be authentic, according to an expert on the composer. Professor Cliff Eisen from London's King's ...

Wolfgang Amadeus Mozart is depicted in an 1819 portrait by Barbara Krafft. Getty Images Mozart died the year prior, in 1791, at age 35, leaving “Requiem,” his final masterpiece, unfinished.