Why in news?

• Luc Montagnier,a French virologist who shared a Nobel Prize in 2008 for discovering the virus that causes AIDS, passed away. He was 89.
• Luc Antoine Montagnier (born 18 August 1932) was a French virologist and joint recipient, with Françoise Barre-Sinoussi and Harald Zur Hausen, of the 2008 Nobel Prize in Physiology or Medicine for his discovery of the human immunodeficiency virus (HIV).
• He has worked as a researcher at the Pasteur Institute in Paris and as a full-time professor at Shanghai Jiao Tong University in China.
• The discovery of H.I.V. began in Paris on Jan. 3, 1983 when Dr. Montagnier, who directed the Viral Oncology Unit at the Pasteur Institute, received a piece of the lymph node that had been removed from a 33-year-old man with AIDS.