Question: Richard Tompkins founded a British sales promotion scheme that rewarded shoppers with stamps that could be used to buy gifts from a catalogue or from any affiliated retailer in what year?
Sentence (from "Richard Tompkins"): Granville Richard Francis Tompkins CBE (15 May 1918 – 6 December 1992) was a print, advertising and retail entrepreneur, best known for founding the Green Shield Stamps company, as well as the Argos chain of catalogue stores which became one of the largest retailers in the United Kingdom, and a constituent of the FTSE 100 Index.
Relevant evidence: Yes