Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Liam Ó Buachalla -  Liam Ó Buachalla (1899 – 15 October 1970) was a Fianna Fáil politician from County Galway in Ireland. He was a Senator from 1939 to 1969 and was twice elected as Cathaoirleach of Seanad Éireann.A Professor of Economics at University College Galway (UCG) Ó Buachalla was nominated by the Taoiseach Éamon de Valera to the 3rd Seanad in 1939 to fill the vacancy caused by the death of Colonel Maurice Moore. He was re-appointed to the 4th Seanad and to the 5th.
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Office Holder