Sir Winston Leonard Spencer-Churchill was a British politician, army officer, and writer. He was Prime Minister of the United Kingdom from 1940 to 1945, when he led Britain to victory in the Second World War, and again from 1951 to 1955
He does not have an Ordinary People Change the World book about him, but he appeared in an episode of Xavier Riddle and the Secret Museum called I Am Winston Churchill.
He is voiced by William Thompson.
Meeting the Riddles in 1882 he would've been approximately 8 years old.