From Wikipedia, the free encyclopedia. Ian James Alastair Graham (born 12 November 1923) is a British Mayanist whose explorations of Maya ruins in the jungles of Mexico, Guatemala, and Belize helped establish the Corpus of Maya Hieroglyphic Inscriptions published by the Peabody Museum of Harvard University. Among his related works is a biography of an early predecessor, the 19th-century British Maya explorer Alfred Maudslay. Description above from the Wikipedia article Ian Graham, licensed under CC-BY-SA, full list of contributors on Wikipedia.