Life & Career
The son of lace manufacturer Henry W. Cooper, Leslie would demonstrate a talent in engineering to his first naval evaluator.
Lonsdale-Cooper was promoted to the rank of Lieutenant on 15 March, 1914.
Lonsdale-Cooper was placed on the Retired List at his own request with a gratuity on 2 June, 1920. He was subsequently promoted to the rank of Lieutenant-Commander (retired) on 15 March, 1922.
|Captain of H.M.S. P54
2 Jun, 1917 – 19 Mar, 1918
Charles W. T. V. S. Lepper
Christopher J. F. Eddis
|Captain of H.M.S. Pigeon
19 Mar, 1918 – 15 Oct, 1919
- The Navy List. (February, 1919). p. 868.
- The Navy List. (November, 1917). p. 396f.
- The Navy List. (June, 1919). p. 868.