List of Famous people who died in 2013

Heiko "Ko" Wierenga was a Dutch politician and member of the Labour Party (PvdA). He served as the Mayor of the municipality of Enschede from September 1977 until April 1994. Under Wierenga, artwork by Joop Hekman, called Het ei van Ko, was installed near Enschede's town hall in 1984.

Giovanni Cheli was an Italian prelate of the Catholic Church, who had a career in the diplomatic service of the Holy See and then in the senior ranks of the Roman Curia. He was made a cardinal in 1998.

Riazuddin, also spelled as Riaz-Ud-Din, was a Pakistani theoretical physicist, specialising in high-energy physics and nuclear physics. Starting his scientific research in physics in 1958, Riazuddin was considered one of the early pioneers of Pakistan's nuclear weapons development and atomic deterrence development. He was the director of the Theoretical Physics Group (TPG) of the Pakistan Atomic Energy Commission (PAEC) from 1974 until 1984. Riazuddin was a pupil of the winner of the 1979 Nobel Prize in Physics, Abdus Salam.

Jean-Félix-Albert-Marie Vilnet was a French prelate of the Roman Catholic Church.

Robert Häusser was a German photographer.

Steven Landon Muller was the president of the Johns Hopkins University, serving from 1972 to 1990.

Christian René Marie Joseph, Viscount de Duve was a Nobel Prize-winning English-born Belgian cytologist and biochemist. He made serendipitous discoveries of two cell organelles, peroxisome and lysosome, for which he shared the Nobel Prize in Physiology or Medicine in 1974 with Albert Claude and George E. Palade. In addition to peroxisome and lysosome, he invented the scientific names such as autophagy, endocytosis, and exocytosis in a single occasion.

Carl Joachim Classen was a German classical scholar.

Silvi Vrait was an Estonian singer and music teacher.