Simplify the following text for a Grade 6 native English-speaking person.
Original: Ralph Steadman ( born Wallasey , 15 May 1936 ) is a British cartoonist and caricaturist who is perhaps best known for his work with American author Hunter S. Thompson .
Simplified: Ralph Steadman is a British cartoonist and illustrator . He is best known for his artwork for the books and articles of Hunter S. Thompson .