Jürgen Udo Bockelmann (since 2010 as Udo Jürgens Bockelmann; 30 September 1934 – 21 December 2014), better known as Udo Jürgens, was an Austrian composer and singer of popular music whose career spanned over 50 years. He won the Eurovision Song Contest 1966 for Austria, composed close to 1,000 songs, and sold over 104 million records. In 2007, he additionally obtained Swiss citizenship.