Joseph Marie Albert " Joep " Lange ( ; 25 September 1954 – 17 July 2014 ) was a Dutch clinical researcher specialising in HIV therapy . He served as the president of the International AIDS Society from 2002 to 2004 . He was a passenger on Malaysia Airlines Flight 17 , which was shot down on 17 July 2014 over Ukraine
Malaysia Airlines Flight 17
Malaysia Airlines Flight 17
Joep Lange