Mathematician who worked on the first business computers
Mary Coombs 1929-2022
Before there was Microsoft, and before there was IBM, there was J. Lyons & Co, owners of the eponymous teahouses – and pioneers of the first business computers. A management trainee with a talent for maths, Mary Coombs, who has died aged 93, started working on the Lyons Electronic Office, or LEO, in the early 1950s, and became the first woman to be trained to write programs for a business computer.
As well as running 250 or so teahouses, Lyons manufactured biscuits and owned hotels. It was known for embracing technical innovation, said The Daily Telegraph, and after the War, senior managers became aware that at Cambridge University a team was working on a project called the Electronic Delay…
