Geoffrey G. Butler is the uncle and mentor of a man who was a prominent what?
Geoffrey G. Butler Sir George Geoffrey Gilbert Butler (15 August 1887 - 2 May 1929) was an English historian, academic and politician who served as a Member of Parliament for Cambridge University, 1923–1929. He was uncle of and mentor to Rab Butler, and was an early sponsor of Liddell Hart, a former student who would upon the senior Butler's death that 'I have never had a better friend, in every sense of the word’. An avid Conservative, he was a significant figure in the intellectual and political history of his party between the World Wars. In April–May 1917 he was a member of the Balfour Mission, intended to promote cooperation between the US and UK during World War I.
Geoffrey Pardoe Dr Geoffrey Keith Charles Pardoe OBE FREng FRAeS FBIS (2 November 1928 – 3 January 1996) was the Project Manager for the Blue Streak ballistic missile programme. He was also an advocate for British advanced science and technology, and involvement in space exploration, deploring (repeated) government negligence and its aborted technology programmes.