Person Page - 61993

     John David Gwynn was born on 13 July 1907.¹ He is the son of Edward John Gwynn and Olive Mary Ponsonby.² He married, firstly, Grace Lawless Lee on 8 February 1934.¹ He married, secondly, Esther Alice Hulbert on 10 September 1969.¹
     John David Gwynn usually went by his middle name of David.² He was educated at St Columba's College, Dublin, County Dublin, Ireland.¹ He was with Siemens Bau Union in 1928, he worked on the Shannon hydro-electric development.¹ He graduated from Trinity College, Dublin University, Dublin, County Dublin, Ireland, in 1930 with a Baccalarius in Arte Ingeniara (Bachelor of Engineering) (B.A.I.), he received Alexander and Geology Prizes.¹ He graduated from Trinity College, Dublin University, Dublin, County Dublin, Ireland, in 1930 with a Bachelor of Arts (B.A.)¹ He was with Mott, Hay & Anderson between 1930 and 1932.¹ He was a chartered engineer.¹ He was appointed Fellow, Institution of Civil Engineers (F.I.C.E.)¹ He was registered as a Member, Institution of Mechanical Engineers (M.I.Mech.E.)¹ He was an engineer for the London Underground railways between 1933 and 1934.¹ He was with J. D. & D.M. Watson between 1934 and 1935, consulting engineers.¹ He was an engineer for the London Underground railways between 1936 and 1939.¹ He was with Balfour, Beatty & Company Limited between 1936 and 1972.¹ He was an engineer for a hydro-electric development between 1940 and 1942 at Scotland.¹ He was involved in blocking eastern entrances to the Scapa Flow, and other works in Orkney between 1942 and 1944 at Scotland.¹ He was an engineer for a hydro-electric development between 1949 and 1950 at Scotland.¹ He was chief engineer for Balfour, Beatty & Company Limited between 1951 and 1972.¹ He was director of Balfour, Beatty & Company Limited between 1963 and 1968.¹ He graduated from Trinity College, Dublin University, Dublin, County Dublin, Ireland, in 1966 with a Magister in Arte Ingeniara (Master of Engineering) (M.A.I.)¹ He was director of Balfour, Beatty & Company Limited's subsidiary company Engineering & Power Development consultants between 1967 and 1972.¹ He was involved in the design of many hydro-electric and other industrial power developments world-wide.¹ He wrote the book Paper Presented to World Energy Conference (Moscow), with Wilson and Braikevich.¹

     Robin David Gwynn was born on 5 June 1942.¹ He is the son of John David Gwynn and Grace Lawless Lee.^2,1 He married Margaret Diana Roget in 1971.¹
     He was educated at Shrewsbury School, Shrewsbury, Shropshire, England^G.¹ He graduated from Pembroke College, Cambridge University, Cambridge, Cambridgeshire, England^G, in 1963 with a Bachelor of Arts (B.A.)¹ He graduated from Pembroke College, Cambridge University, Cambridge, Cambridgeshire, England^G, in 1964 with a Diploma in Education (Dip.Ed.)¹ He was educated at University College London, London, England^G.¹ He was a lecturer in History at Massey University, Palmerston North, New Zealand.¹

     Margaret Diana Roget married Robin David Gwynn, son of John David Gwynn and Grace Lawless Lee, in 1971.¹
     Her married name became Gwynn.

     David Morton Gwynn was born on 5 May 1975.¹ He is the son of Robin David Gwynn and Margaret Diana Roget.²

     Jennifer Lee Gwynn was born on 13 November 1972.¹ She is the daughter of Robin David Gwynn and Margaret Diana Roget.²

     Lee Penelope Gwynn was born on 3 May 1937.¹ She is the daughter of John David Gwynn and Grace Lawless Lee.^2,1 She married James Stewart Mason on 8 April 1961.¹
     From 8 April 1961, her married name became Mason.¹

     James Stewart Mason married Lee Penelope Gwynn, daughter of John David Gwynn and Grace Lawless Lee, on 8 April 1961.¹

     Peter Gwynn was born on 24 October 1965.¹ He is the son of James Stewart Mason and Lee Penelope Gwynn.¹

     Julia Gwynn was born on 26 October 1967.¹ She is the daughter of James Stewart Mason and Lee Penelope Gwynn.¹

     Esther Alice Hulbert married John David Gwynn, son of Edward John Gwynn and Olive Mary Ponsonby, on 10 September 1969.¹
     She was a professor at Guildhall School of Music and Drama, London, England^G.¹ From 10 September 1969, her married name became Gwynn.¹