"Rudolf Wolff Limited is a specialist London based fund management firm, authorised and regulated by the Financial Services Authority ("FSA") in the United Kingdom.
"The name Rudolf Wolff has been associated with the City for almost 150 years. The original Rudolf Wolff was a German metals merchant who established Rudolf Wolff & Co. in London in 1866. That company became a founding member of the London Metal Exchange in 1877, the pre-eminent international terminal market for primary base metals." 
Accessed October 2011: