Flowers was innate inside London and, after an apprenticeship within mechanical engineering, he earned a degree around Electrical engineering at the University of London before joining the telecommunications branch of the General Post Office (GPO) in 1926, moving to work at their research station at Dollis Hill in 1930.

In a period of a War, Flowers was asked to join the codebreaking efforts at Bletchley Park, and it was he world health organization proposed solving a problems of the Heath Robinson machine by applying an electronic formulas using valves. Despite a rejection of a idea ab initio because valves were seen when as well undependable, & afterwards because it was potential that a war would become all over prior to the idea can be implemented, around 1943 he went ahead without authorisation, potentially partially funding a development himself. Pushing a technology to its limit, Flowers cranked higher a speed of the 1st Colossus machine to about double "to see how fast it would go".

Flowers received recognition when the war in the shape of a £1,000 lump sum, & a award of an MBE.

When a war, Flowers returned to the Post Office Research Station where he was Head of the Switching Division. He & his class actiin pioneered act on the lot-electronic exchange, completing a basic project by astir 1950. Inside 1964 he became Head of the Advanced Development Group at Standard Telephones and Cables Ltd., retiring in 1970 [http://www.cs.ncl.ac.uk/research/pubs/books/papers/133.pdf].