 The site was later visited by British archaeologist Alfred Maudslay.Several expeditions sponsored by the Peabody Museum of Harvard University worked at Copán during the late 19th and early 20th centuries, including the 1892–1893 excavation of the Hieroglyphic Stairway by John G. Owens and George Byron Gordon.The Carnegie Institution also sponsored work at the site in conjunction with the government of Honduras.