Venkatraman Ramakrishnan, India-born US citizen whose pioneering work in molecular biology won him the 2009 Nobel Prize in Chemistry, has been honoured with a knighthood by the royal establishment here in a rare recognition of achievement by foreigners based in Britain. 58 year old Ramakrishnan is based at the MRC Laboratory of Molecular Biology in Cambridge. He has been conferred knighthood “for services to molecular biology”.