6th January 2016: French composer and conductor Pierre Boulez has died at the age of 90.

His family said the world-renowned musician died at his home in Baden-Baden, Germany.

"For all those who met him and were able to appreciate his creative energy, his artistic vigour... will remain alive and strong," they said.

As well as being a world-famous composer, Boulez was a prolific writer and pianist and was also known as the head of the Paris Philharmonic.

Pierre Boulez was photographed many times by Lotte Meitner-Graf both in the studio and in rehearsal.

Pierre Boulez photographed by