Portrait of Charles Dickson Framed half-length seated portrait of Dr. Charles Dickson (1886-1978). Pastel. By Thomas Ryan R.H.A. (1929-2021). Pastel. Signed by the artist and the sitter and dated 10 June 1968, R.C.P.I. Kildare St. DUBLIN [2]. Dickson was Chief Medical Officer to the Civil Service of the Irish Free State from 1923. He became a Fellow of the Royal College of Physicians of Ireland in 1922 and was appointed Registrar in 1954. 10 June 1968