What is Rilwanu Lukman?
{{Infobox officeholder | name = Rilwanu Lukman | term_start4 = 1 January 1995 | party = | death_place = [[Vienna]], Austria | death_date = {{Death date and age|df=yes|2014|7|21|1938|8|26}} | birth_place = [[Zaria]], [[Kaduna State]], Nigeria | birth_date = {{Birth date|df=yes|1938|8|26}} | successor9 = [[Diezani Allison-Madueke]] | predecessor9 = [[Edmund Daukoru]] | term_end9 = 17 March 2010 | term_start9 = 18 December 2008 | office9 = Minister of Petroleum Resources | successor4 = [[Alí Rodríguez Araque]] | predecessor4 = [[Subroto (politician)|Subroto]] | term_end4 = 31 December 2000 | office4 = Secretary General of OPEC | image = | successor3 = | predecessor3 = | successor2 = | predecessor2 = | term_end2 = February 1990 | term_start2 = February 1986 | office2 = Federal Minister of Petroleum Resources | successor1 = | predecessor1 = | term_end1 = 1985 | term_start1 = 1984 | office1 = Federal Minister of Mines, Power and Steel | width = 150px | Educational background = }} '''Rilwanu Lukman''' (26 August 1938 – 21 July 2014) was an [[engineer]] and [[geologist]] who held several important positions in [[Nigeria]] and other parts of the world. He was the Secretary General of OPEC (Organization of the Petroleum Exporting Countries) from 1 January 1995 to 31 December 2000. He was also Minister of Petroleum Resources under Nigerian [[president]]Umaru Yar'Adua, holding office until March 2010.<ref>{{Cite news|last=Faucon|first=Benoît|date=2014-07-21|title=OPEC Veteran Rilwanu Lukman Dies|language=en-US|work=Wall Street Journal|url=https://online.wsj.com/articles/opec-veteran-rilwanu-lukman-dies-1405940730|access-date=2021-10-14|issn=0099-9660}}</ref><ref>{{Cite web|title=OilVoice|url=https://www.oilvoice.com/n/Dr_Rilwanu_L