David Macaulay is a British-born American illustrator and writer. His works include Cathedral (1973), The Way Things Work (1988), and The New Way Things Work (1998). His illustrations have been featured in nonfiction books combining text and illustrations explaining architecture, design, and engineering, and he has written a number of children's fiction books.

In 2006, Macaulay was a recipient of a MacArthur Fellows Program award and received the Caldecott Medal in 1991 for his book Black and White, published in 1990.