Charles M Schulz drew his beloved Peanuts strip for 50 years until his announcement on 14 December 1999 that ill health was forcing him to retire. In History looks at how an unassuming cartoonist built a billion-dollar empire out of the lives of a group of children, a dog and a bird. Charles M Schulz’s timeless creation Charlie Brown may have been as popular as any character in all of literature, but the cartoonist was modest about the scope of his miniature parables. In a 1977 BBC interview, he said: “I’m talking only about the minor everyday problems in life. Leo Tolstoy dealt with the major problems of the world. I’m only dealing with why we all have the feeling that people don’t like us.” This did not mean that he felt as if he was dealing with trivial matters. He said: “I’m always very much offended when someone asks me, ‘Do I ever do satire on the social condition?’ Well, I do it almost every day. And they say, ‘Well, do you ever do political things?’ I say, ‘I do things which are more important than politics. I’m dealing with love and hate and mistrust and fear and insecurity.'”

In 1988, World Aids Day began with the aim of raising awareness and understanding of a disease that had struck...