Celebrated children's author who wrote the Mr. Men and Little Miss books and received the Best Books of the Year award in 1983. His other book series include Timbuctoo and Walter Worm.
He worked at his father's dry cleaning business and later secured a design position at a London firm. He published his debut bestselling work, Mr. Tickle, in 1971.
His brightly illustrated and humorous children's books sold more than 85 million copies and were published in twenty different languages.
He was born in West Yorkshire, England to Alfred and Ethel Hargreaves. He and his wife, Christine, became parents to two sons and two daughters (Adam, Giles, Sophie, and Amelia).
His Mr. Men and Little Miss characters were featured in a 1990s UK cartoon that starred the voice of Geoffrey Palmer .