First World war memorial in Memorial, France. The Memorial to the Missing of the Somme, bears the names of more than 72,000 officers and men of the United Kingdom and South African forces who died in the Somme before 20 March 1918 and have no known grave. The memorial, designed by Sir Edwin Lutyens, was built between 1928 and 1932 and unveiled by the Prince of Wales, in the presence of the President of France, on 1 August 1932