Síle de Valera in 2007. De Valera resigned briefly from Fianna Fáil in 1993, due to the removal of the 'stopover' at Shannon Airport. She was persuaded to rejoin the party in 1994 by its new leader, Bertie Ahern; he then appointed her to the opposition front bench. In 1997, she became Minister for Arts, Heritage, Gaeltacht and the Islands. She lost her place in the cabinet in 2002, but took office as a Minister of State. Her government office was Minister of State at the Department of Education and Science, with special responsibility for Adult Education, Youth Affairs and Educational Disadvantage. On
Rúaidhrí de Valera 1947, de Valera became the Archaeological Officer for Ordnance Survey Ireland which permitted him to develop the Survey of the Megalithic Tombs of Ireland project. He went on to write significant papers on Irish prehistory which contributed to his doctorate, awarded in 1954. In 1957, de Valera was appointed Chair of Celtic Archaeology at University College Dublin where he worked to enlarge the department whilst continuing to publish on Irish chamber tombs, especially the Court cairns which he proposed first developed in the west of the country. De Valera later excavated at the Mound of the Hostages at Tara. He