Althea Mary Braithwaite (20 June 1940 – 27 August 2020), was an English children's author, illustrator, publisher and glass artist, best known for Desmond the Dinosaur.[1]
Althea Braithwaite was born in Pinner, Middlesex, the younger daughter of Rosemary (née Harris) and RAF Air Vice-Marshal Francis Braithwaite.[1]
https://www.oxforddnb.com/display/10.1093/odnb/9780198614128.001.0001/odnb-9780198614128-e-90000381794?rskey=nYNIil&result=37