[citation needed] Reason was educated at Milton Mount College in Gravesend, Kent.
She graduated from Bedford College in 1924 with a BSc in Chemistry, and then obtained a position as a senior science mistress at the County School for Girls, Guildford.
In her spare time there, she studied for an MSc (London) on the History of Science, which she completed in 1936.
[citation needed] Reason commented in the Foreword that her object was to present the story of scientific discovery in a form that would appeal to intelligent boys and girls.
She did not approve of the "great scientist approach", preferring that her book should cover "the broad view of scientific discovery.