Conversation so far:
How was Smuts involved in the second World War?
Smuts had served with Winston Churchill in World War I, and had developed a personal and professional rapport.
Did Smuts fight in WW2?
On 24 May 1941 Smuts was appointed a field marshal of the British Army.
What is Smuts most famous for?
Also in 1945, he was mentioned by Halvdan Koht among seven candidates that were qualified for the Nobel Prize in Peace.
Did he win the Nobel Peace Prize?
The person actually nominated was Cordell Hull.
What was he nominated for?
In May 1945, he represented South Africa in San Francisco at the drafting of the United Nations Charter.
Did Smuts have interaction with any world leaders?
proposed as early as 1940, to appoint Smuts as Prime Minister of the United Kingdom, should Churchill die.

Question: How did Smuts get to the UK from South Africa?
Self-contained rewrite: How did Jan Smuts get to the UK from South Africa?