"1937-06-23Z"^^ . . "1937Z"^^ . "2006Z"^^ . . "Professor Sir Nicholas John Shackleton FRS (23 June 1937 \u2013 24 January 2006) was an English geologist and paleoclimatologist who specialised in the Quaternary Period."@en . "Shackleton, Nicholas John, Sir (full name)"@en . "Professor Sir Nicholas Shackleton"@en . . "2006-01-24Z"^^ . "Shackleton, Nicholas"@en . . "British geologist" .