Who created a substance that was banned by the UK on 10 June of 2013?
25D-NBOMe:  It was banned as a Temporary Class Drug in the UK on 10 June 2013 after concerns about its recreational use. 25I-NBOMe:  It was discovered in 2003 by chemist Ralf Heim at the Free University of Berlin, who published his findings in his PhD dissertation.
Ralf Heim