Ron van der Meer is a paper engineer known for designing pop-up books. He was credited for devising/paper engineering (with Andy Mansfield) the 1998 Sesame Street pop-up books Learn About Numbers and Learn About Shapes Van der Meer's background is in graphic design and he first entered children's books as an illustrator in the 1970s. In 1978, he was influenced by a pop-up book paper engineered by Ib Penick. In 1981, he wrote and designed Monster Island (with paper engineering by others, including John Strejan).