GEORGE EOGAN† directed the Knowth excavations for almost 40 years, as part of his research into the passage tomb builders of Ireland and Western Europe. The results of his work in this area were published in an extensive series of books and papers, including the Royal Irish Academy’s seven-volume Excavations at Knowth series. Following his retirement as professor of archaeology at UCD in 1995, he became Professor Emeritus of Celtic Archaeology.