Douglas Scott (designer) explained

Douglas William Scott (1913–1990) was a British industrial designer, best known for his work on the AEC Routemaster^[1] bus and the AGA cooker.^[2]

He also designed the GPO Pay On Answer STD equipment,^[3] which started replacing the old Button A and Button B equipment in UK phoneboxes when STD was launched in 1959

He was a Fellow of the Chartered Society of Designers and winner of the prestigious Minerva Medal in recognition of this outstanding contribution to the design industry.^[4]

Notes and References

1. http://www.oxforddnb.com/view/article/66042 Oxford Dictionary of National Biography
2. http://www.agaliving.com/news-offers/news/from-the-routemaster-to-aga-unsung-hero-douglas-scott AGA living - From the Routemaster to AGA: Unsung Hero Douglas Scott
3. http://payphone.illtyd.co.uk/pay-on-answer UK Payphones POA page
4. Web site: Chartered Society of Designers . 2015-08-20 . dead . https://web.archive.org/web/20150905112158/http://www.csd.org.uk/index.aspx?id=68 . 2015-09-05 .