"Lester, Sean"@en . "Irish diplomat" . . "1888-09-28Z"^^ . "Se\u00E1n Lester"@en . . . . "Secretary-Generalof theLeague of Nations" . . "1889Z"^^ . . "1959Z"^^ . "Se\u00E1n Lester (28 September 1888 \u2013 13 June 1959) was an Irish diplomat and the last Secretary-General of the League of Nations, from 31 August 1940 to 18 April 1946."@en . . . . . "1959-06-13Z"^^ .