A couple of postings ago I featured the mid-century textile designs of Lucienne Day, half of the dynamic duo, Robin and Lucienne Day. Robin, born 1915, is famous as a furniture designer, in fact he's best known for his injection moulded polypropylene stacking chair, of which over 20 million have been manufactured. It was one of the first pieces of furniture to fully use the mass-manufacturing opportunities of injection moulding. Robin Day graduated from the Royal College of Art in 1938. In…