Pat Liddy
Pat Liddy (Irish: Pádraig Ó Lideadha, born 1944 in Dublin) is an Irish artist, historian, writer, illustrator, broadcaster, mapmaker, and environmental lobbyist. The author and illustrator of over seven books on the city, as well as others on Irish cultural sites, he is the walking tour operator of '''Pat Liddy's Walking Tours of Dublin'''.Provided by Wikipedia