At Gaumont, he worked for Michael Balcon and collaborated on the scripts of Sunshine Suzie and Falling in Love.
Subsequently, he worked with Herbert Wilcox on Three Maxims and Victoria the Great and then with Thorold Dickinson as co-author of the script for the film The Arsenal Stadium Mystery in 1939.
During the Second World War, he was commissioned into the Royal Naval Volunteer Reserve and worked as a screenwriter.
[citation needed] Hyman wrote scripts for BBC radio including the programme Spotlight on a Tunesmith compered by Ben Lyon and Pioneers of Jazz.
He continued in journalism and became an expert on Sullivan's light operas and on Victorian burlesque theatre.