As well as these senior architects , there was a team of Assistant Architects who were actually responsible for many of the cemetery and memorial designs . These architects were younger , and many of them had served in the war . The Assistant Architects were : George Esselmont Gordon Leith , Wilfred Clement von Berg , Charles Henry Holden ( who in 1920 became a Principal Architect ) , William Harrison Cowlishaw , William Bryce Binnie , George Hartley Goldsmith , Frank Higginson , Arthur James Scott Hutton , Noel Ackroyd Rew , and John Reginald Truelove . Other architects that worked for the Commission , or won competitions for the Commission memorials , included George Salway Nicol , Harold Chalton Bradshaw , Verner Owen Rees , Gordon H. Holt , and Henry Philip Cart de Lafontaine .