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Alan Greengross

1929 – 2018

British politician

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About Alan Greengross

Lived 1929 – 2018 (aged 89).

Sir Alan David Greengross (15 April 1929 – 13 August 2018) was a British politician, who served as the final leader of the Conservative Party on the Greater London Council (GLC).

Born in London, Alan's father Morris was Mayor of Holborn in the 1960s, while his sister Wendy became a well known counsellor.

Greengross was educated at University College School in Hampstead, and then undertook National Service with the Royal Air Force before studying law at Trinity College, Cambridge. After graduation, he joined the family business, the precision engineering firm Indusmond (Diamond Tools) Ltd; he later became its chair and managing director. In 1959, he married Sally Rosengarten, who later became Director General of Age Concern England.

In the 1977 Greater London Council election, Greengross was elected to represent Hampstead, and when in 1979 he was appointed as chair of the council's planning committee, he resigned from Camden Council. He became leader of the Conservative group on the council in 1983, when it was in opposition, and initially focused on boycotting the council's "Peace Year". Only three days before the publication of the party's manifesto for the 1983 general election, he was informed that it proposed the abolition of the council. He opposed this, and produced alternative plans for a smaller council, which he believed would convince the party's leadership to retain it. However, he was perceived as being on the "wet" or centrist wing of the party, and had little influence with national leader Margaret Thatcher.

The GLC was abolished in 1986, Greengross receiving a knighthood. He became chair of the Tory Reform Group, and worked at the Bartlett School of Architecture at University College London. In 1990, he was appointed as chair of the Bloomsbury and Islington Health Authority, but left after two years, with the body facing a large deficit. From 1996, he was chair of the London Regional Passengers' Committee, then in 2001 he moved to become a director of South West Trains. He retired from this position in 2007, and focused on voluntary work with young people, and charitable work following the 2004 Indian Ocean earthquake and tsunami.

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Important facts

Birth century
Education
University College School, Trinity College
Also known as
Sir David Alan Greengross, David Alan Greengross, Sir Alan Greengross, Alan David Greengross, Sir Alan David Greengross

Family & relationships

Spouse
Sally Greengross, Baroness Greengross

People in Alan Greengross's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Alan Greengross's

Frequently asked questions

Who was Alan Greengross?

British politician

When was Alan Greengross born?

Alan Greengross was born on 15 April 1929.

When did Alan Greengross die?

Alan Greengross died on 13 August 2018.

Sources & further reading

· Wikipedia: Alan Greengross

· Wikidata: Q60693725

· DBpedia: Alan Greengross

Cite this page

APA: Biography.guide. (2026). Alan Greengross. https://biography.guide/alan-greengross/

MLA: "Alan Greengross." Biography.guide, https://biography.guide/alan-greengross/.

Chicago: "Alan Greengross." Biography.guide. https://biography.guide/alan-greengross/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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