Charles was the only son of Charles Collins, of Pimlico, and Annie Letitia, daughter of George Turner, of London. He was born on 5th May 1888, and had one sister, Nora. Charles and Nora’s father died when they were young.
Annie re-married in 1895 when Charles was 7 years old. Henry Watts Cracknell was the son of a pharmacist, and worked as an accountant for Edward Penton and Sons Ltd, a large shoe- and boot-making firm owned by his brother-in-law. Henry Cracknell adopted Charles and Nora, and he and Annie went on to have another daughter, Ursula.
He arrived at the school in September 1902, and became part of Grant’s House. After leaving school in 1906, he followed in his stepfather’s footsteps and trained as an accountant. He was articled to a London firm of accountants.
Charles had been known by his stepfather’s surname while he was at school, but he officially changed his name to Cracknell by deed poll on 21st June 1915.
On the outbreak of war, he joined the Honourable Artillery Company on the 4th August 1914. He went out to the western front with the 1st Battalion on the 17th September 1914. He became 2nd Lieutenant with the 24th (Co. of London) Battalion, the London Regiment on 3rd July 1915, and was promoted to Lieutenant in the November of that year. He served in France between 1914 and 1917, and then joined the British Expeditionary Force to Palestine in October 1917.
He died at Tel-el-Brit on the 27th of December 1917, of wounds received in the defence of Jerusalem.