Proinsias Mac Aonghusa was a vice-chairman of Ireland's Labour Party

Labour Party (Ireland)

The Labour Party is a social-democratic political party in the Republic of Ireland. The Labour Party was founded in 1912 in Clonmel, County Tipperary, by James Connolly, James Larkin and William X. O'Brien as the political wing of the Irish Trade Union Congress. Unlike the other main Irish...

. He was a broadcaster for Radio Éireann (1952), and for RTÉ

RTE

RTÉ is the abbreviation for Raidió Teilifís Éireann, the public broadcasting service of the Republic of Ireland.RTE may also refer to:* Recep Tayyip Erdoğan, 25th Prime Minister of Turkey...

, UTV

UTV

UTV is a television channel based in the UK region of Northern Ireland. The channel is the Channel 3 or Independent Television licensee for Northern Ireland and is operated by UTV Limited, a wholly owned subsidiary of UTV Media.- Terrestrial :* Analogue: Normally tuned to 3 * Freeview : 3...

 and the BBC

BBC

The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

 (1960s). In 1962, he won a Jacob's Award for his Irish language

Irish language

Irish , also known as Irish Gaelic, is a Goidelic language of the Indo-European language family, originating in Ireland and historically spoken by the Irish people. Irish is now spoken as a first language by a minority of Irish people, as well as being a second language of a larger proportion of...

 broadcasting on RTÉ

RTÉ One

RTÉ One is the flagship television channel of Raidió Teilifís Éireann , and it is the most popular and most watched television channel in Ireland. It was launched as Telefís Éireann on 31 December 1961, it was renamed RTÉ Television in 1966, and it was renamed as RTÉ One upon the launch of RTÉ...

 television.

Mac Aonghusa was chairman of Bord na Gaeilge, and president of Conradh na Gaeilge

Conradh na Gaeilge

Conradh na Gaeilge is a non-governmental organisation that promotes the Irish language in Ireland and abroad. The motto of the League is Sinn Féin, Sinn Féin amháin .-Origins:...

 between 1989 and 1994.

He encouraged the formation of the Young Labour League

Young Labour League

-Australia:The first Young Labor League appears to have been founded in Australia in the last years of the nineteenth century, and became associated with the Australian Labor Party.-United Kingdom:...

.

During 1974 and 1975, he worked as a United Nations

United Nations

The United Nations is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and achievement of world peace...

 Special Representative to southern Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

 with Seán MacBride

Seán MacBride

Seán MacBride was an Irish government minister and prominent international politician as well as a Chief of Staff of the IRA....

. He wrote several books, most in the Irish Language and was a member of the Arts Council of Ireland

Arts Council of Ireland

The Arts Council of Ireland was founded in 1951 by the Government of Ireland to encourage interest in Irish art and channel to funding from the state to Irish artists and arts organisations...

 for many years.

He was an admirer of Charles Haughey

Charles Haughey

Charles James "Charlie" Haughey was Taoiseach of Ireland, serving three terms in office . He was also the fourth leader of Fianna Fáil...

 whom he regularly praised in his column in the Sunday Press written under the pseudonym "Gulliver".

He was married to Mrs Justice Catherine McGuinness

Catherine McGuinness

Catherine McGuinness , is a former President of the Law Reform Commission and a former judge of the Circuit Court 1994-1996 , justice of the High Court 1996-2000 and Supreme Court of Ireland 2000-2006...

.