Joseph Smith took over upon the death of what English aeronautical engineer born in 1895
Joseph Smith (aircraft designer): Joseph ("Joe") Smith CBE (25 May 1897 – 20 February 1956) was an English aircraft designer who took over as Chief Designer for Supermarine upon the death of R. J. Mitchell and led the team responsible for the subsequent development of the Supermarine Spitfire. R. J. Mitchell: Reginald Joseph Mitchell CBE, FRAeS, (20 May 1895 – 11 June 1937) was an English aeronautical engineer, who worked for Supermarine Aviation.
R. J. Mitchell