Umaru Musa Yar'Adua was the 13th president of the Federal Republic of Nigeria. He was governor of Katsina State in northern Nigeria from 29 May 1999 to 28 May 2007.
He was declared the winner of the controversial Nigerian presidential election held on 21 April 2007, and was sworn in on 29 May 2007. He was a member of the People's Democratic Party .
In 2009, Yar'Adua left for Saudi Arabia to receive treatment for pericarditis. He returned to Nigeria on 24 February 2010, where he died on 5 May.
Wikipedia
President Bush Meets with President Yar’Adua of the Federal Republic of Nigeria http://georgewbush-whitehouse.archives.gov/news/releases/2007/12/20071213-1.html,
Winner of Disputed Nigerian Presidential Election Denies Fraud http://web.archive.org/web/20070527110842/http://www.voanews.com/english/2007-04-23-voa59.cfm (April 23 2007)
