[2] Born in South Africa, Calvert moved to England in 1950, where she studied at St Paul's Girls' School and the Chelsea College of Art.
[5] The font was later adopted by the Tyne and Wear Metro system as well as north-east England bus and ferry services in the 1980s.
James May interviewed her in a 2009 Vauxhall Insignia VXR, talking about the design process of the UK road signs.
[13] Calvert was appointed Officer of the Order of the British Empire (OBE) in the 2016 Birthday Honours for services to typography and road safety.
[1][14][15] In June 2018 she was awarded an Honorary Fellowship by Arts University Bournemouth alongside dancer Darcey Bussell, costume designer Jenny Beavan OBE and director and screenwriter Edgar Wright.