Founder member of Teilifís na Gaeilge and former President of Conradh na Gaeilge Nollaig Ó Gadhra has died at the age of 64.
Mr Ó Gadhra was a historian and wrote a number of books including biographies of Ghandi, Edmund Ignatius Rice and a history of the first Dáil.
He worked as a journalist, both as a presenter for RTÉ and the Irish language publication Inniú.
He also lectured in journalism in Galway-Mayo Institute of Technology.
He was born in Feenagh in Co Limerick in 1943.
Click here to read Taoiseach Brian Cowen's tribute to Mr Ó Gadhra.