Question: when was the  former Conservative Member of Parliament  who was also part of those who founded  Conservative Philosophy Group born 

Context paragraphs:
Bossom baronets: The Bossom Baronetcy, of Maidstone in the County of Kent, is a title in the Baronetage of the United Kingdom.  It was created on 4 July 1953 for the architect and Conservative Member of Parliament for Maidstone, Alfred Bossom.  In 1960 he was further honoured when he was created a life peer as Baron Bossom, "of Maidstone in the County of Kent".  The life peerage became extinct on his death in 1965 while he was succeeded in the baronetcy by his second but only surviving son, the second holder of the baronetcy.  He was a former Conservative Member of Parliament for Leominster.

Democratic Party (Denmark): The Democratic Party (Danish: "Det Demokratiske Parti", less officially "Demokraterne") is a political party in Denmark.  The party was founded in September 2012 by former conservative member of parliament and former chairman of the Christian Democrats, Per Ørum Jørgensen, a few weeks after his resignation as chairman.  The new party has no religious profile, but is a socially conservative, centre-right party which focuses on social issues and on reducing the distance between the citizens and the government in several respects.  It wants Denmark to leave the EU.  Instead, it wants a union of the Nordic countries of the same type.  The party has no parliamentary representation.

Conservative Philosophy Group: The Conservative Philosophy Group (CPG) was formed in the UK in 1974 by Sir Hugh Fraser, a Conservative MP, to provide an intellectual basis for conservatism at a time when the Conservative Party had just lost two general elections and elected a new leader, Margaret Thatcher.  It was founded with four board members: Fraser, Roger Scruton, John Casey, and Jonathan Aitken MP.

Keith Raffan: Keith William Twort Raffan (born 21 June 1949) is a former Conservative Member of Parliament and Scottish Liberal Democrat Member of the Scottish Parliament (MSP).

Jonathan Aitken: Jonathan William Patrick Aitken (born 30 August 1942) is a former Conservative Member of Parliament in the United Kingdom (1974–97), and a former Cabinet minister.  He was convicted of perjury in 1999 and received an 18-month prison sentence, of which he served seven months.  He is currently president of Christian Solidarity Worldwide.  Aitken was also a member of the Privy Council of the United Kingdom.

Fishing Party (Scotland): The Fishing Party was a political party in Scotland formed and officially registered in 2003.  Largely a single-issue party, its formation was prompted by those involved in the fishing industry angry at cuts in the quantity of fish they were being allowed to catch as a result of the European Union Single Fisheries Policy.  The rationale behind its formation was that they were in the best position to represent the fishing industry as they were part of it themselves.  The party was led by George Geddes, formerly vice chairman of the Scottish White Fish Producers' Association, with the aim of securing seats in the Scottish Parliament.  The party was supported by Albert McQuarrie, the former Conservative Member of Parliament for Banff and Buchan, but he refused to stand as a candidate on the grounds of age.

John Casey (academic): John Casey (born 1939) is a British academic and a writer for "The Daily Telegraph".  He was educated at the Irish Christian Brothers' school, St Brendan's College, Bristol.  He has been described as "mentor" to another grammar school product Roger Scruton and is a former lecturer in English at the University of Cambridge and a former lecturer and a Life Fellow of Gonville and Caius College, Cambridge.  In 1975, along with Scruton, he founded the Conservative Philosophy Group.  He was editor of "The Cambridge Review" between 1975 and 1979.

Baron Dunleath: Baron Dunleath, of Ballywalter in the County of Down, is a title in the Peerage of the United Kingdom.  It was created in 1892 for the businessman and former Conservative Member of Parliament for Downpatrick, John Mulholland.  The Mulholland family were involved in the cotton and linen industry in Ulster in the north of Ireland.  The first Baron's son, the second Baron, represented Londonderry North in the House of Commons as a Conservative.  His grandson, the fourth Baron, was a member of the Northern Ireland Assembly for the Alliance Party.  He was succeeded by his first cousin, the fifth Baron, who had already succeeded his father as second Baronet of Ballyscullion (see below).  s of 2014 the titles are held by the fifth Baron's son, the sixth Baron, who succeeded in 1997.

Marina Yannakoudakis: Marina Yannakoudakis (born 16 April 1956) is a member of the European Economic and Social Committee and a former Conservative Member of the European Parliament for London.  She was elected at the 2009 European Parliament election.  She lost her seat at the 2014 election.

David Faber (politician): David James Christian Faber (born 7 July 1961) was a Conservative member of the Parliament of the United Kingdom, then an author, before in 2010 being appointed as head master of Summer Fields School, Oxford.  He is the grandson of the late former Conservative Prime Minister Harold Macmillan (1894–1986).

Supporting paragraphs: Conservative Philosophy Group Jonathan Aitken
Answer: (born 30 August 1942