Scott McCloud (born Scott McLeod on June 10, 1960) is an American cartoonist and theorist on comics as a distinct literary and artistic non-linear medium. He is best known for his non-fiction books about comics: Understanding Comics (1993), Reinventing Comics (2000), and Making Comics (2006), all of which also use the medium of comics.
See TED talk from McCloud.
Source: Scott McCloud on Wikipedia