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Hypatia Bradlaugh Bonner (31 March 1858 – 25 August 1935) was a British peace activist, author, atheist and freethinker, and the daughter of Charles Bradlaugh.

Hypatia Bradlaugh Bonner
Hypatia Bradlaugh Bonner 1.jpg
1929 photograph of Hypatia Bradlaugh Bonner
Hypatia Bradlaugh

(1858-03-31)31 March 1858
Hackney, London, England
Died25 August 1935(1935-08-25) (aged 77)
Tooting, London, England

Early life and teachingEdit

She was born Hypatia Bradlaugh, at 3 Hedger's Terrace, Hackney, London,[1] the second daughter of Charles Bradlaugh, the first openly atheist Member of Parliament and founder of the National Secular Society, and Susannah Lamb Hooper. She was named after Hypatia, the Ancient Greek pagan philosopher, mathematician, astronomer and teacher, who was murdered by a mob of Coptic monks under the authority of Christian archbishop Cyril of Alexandria.

Bradlaugh Bonner was educated in private schools in London and Paris, and qualified as a science teacher from the University of London,[2] which admitted women to "full privileges" (i.e. degrees) in 1878. She taught in the Hall of Science for the South Kensington Science and Art Examinations, and also acted as a secretary for her father after 1888.[2]

The Halls of Science were mainly for adult education and self-help, like those offered by Mechanics' Institutes and religious organisations at the time.[3] The South Kensington Hall of Science was started by Edward Aveling, and other teachers included her sister Alice Bradlaugh (1856–1888) and Annie Besant.[3] The results from the South Kensington Hall of Science were very good, with students exceeding the national average on their examinations in all but one of their offered classes.[4]

Bonner was also a lecturer for the National Secular Society[5] and the Rationalist Press Association.[6]


Bonner is most remembered for being the author of her father's biography, Charles Bradlaugh: His Life and Work. The Spectator considered the two volumes to be more memoirs than a biography: "That it is preposterously long is manifest at once. More than eight hundred closely printed pages are too much for Charles Bradlaugh, viewed in regard to his real importance in the world", but accepted, "A day will come when they will be found useful".[7]

From 1897 to 1904, she was editor of The Reformer, the main purpose of which according to Bernard Porter was to "vindicate her father's career".[8]

However, she was an active contributor to many secularist periodicals including the National Reformer and author of many other books relating to secularism, blasphemy and freethinking. In Penalties upon Opinion she catalogues various trials and cases of blasphemy[9] including the recent revival in blasphemy prosecutions in the first decades of the 20th century.

Peace activismEdit

In the lead up to the First World War most peace societies were Christian associations. In 1910, Bonner became the chairperson of the first secular peace society, the Rationalist Peace Society.[10] The aim of the society was to "protest against ideas and methods which are utterly opposed to reason and the interests of social progress".[11] In her introduction to Essays towards peace, Hypatia noted that there was a "growing public opinion in favour of arbitration as the alternative to war" and that it was reason that demonstrated "the futility, the brutality, the economic waste, the immorality of war".[12]

The Rationalist Peace Society remained active throughout the war, but fell into decline after peace was concluded.[13]

Personal lifeEdit

Bonner's grave in Brookwood Cemetery

She married Arthur Bonner in 1885 in Marylebone, London. They had two children, Kenneth (June – September 1886) and Charles Bradlaugh Bonner (28 April 1890 – 2 September 1966).[14]

She died at home on 25 August 1935 at 23 Streathbourne Road, Tooting, London, after an abdominal operation for cancer. She was cremated at Golders Green Crematorium on 28 August, and her ashes were buried in her father's grave at Brookwood Cemetery.[1]



  1. ^ a b Royle, Edward. "Bonner, Hypatia Bradlaugh (1858–1935)". ODNB. OUP. Retrieved 13 August 2013.
  2. ^ a b Obituary Notice – Mrs Hypatia Bradlaugh Bonner. London: South Place Ethical Society. October 1935.
  3. ^ a b Royle (1976), p.118
  4. ^ Royle (1980), p.319.
  5. ^ Royle (1980), p.151.
  6. ^ Royle (1980), p.167.
  7. ^ Fisher, T. "Charles Bradlaugh By Hypatia Bradlaugh Bonner. 2 vols". The Spectator. The Spectator. Retrieved 13 August 2013.
  8. ^ Porter, Bernard (2008). Critics of empire British radicals and the imperial challenge ([Nachdr. d. Ausg. London, 1968] ed.). London: I. B. Tauris. p. 162. ISBN 1845115074.
  9. ^ Bradlaugh Bonner, Hypatia (1935). Penalties Upon Opinion. London: Watts & Co.
  10. ^ Royle (1980), p.213.
  11. ^ "Rationalist Peace Society". Bishopsgate Institute. p. Bishopsgate Institute. Retrieved 8 August 2013.
  12. ^ Essays towards peace. London: Watts and Co. 1913. p. 10.
  13. ^ "Rationalist Peace Society". Bishopsgate Institute. Retrieved 8 August 2013.
  14. ^ JohnVincent1951. "Entry at". Retrieved 8 August 2013.
  • Edward Royle, The Infidel Tradition from Paine to Bradlaugh, MacMillan Press Ltd, London, 1976. ISBN 0-333-17434-8.
  • Edward Royle, Radicals, Secularists and Republicans: Popular Freethought in Britain, 1866–1915, Manchester University Press, Manchester, 1980. ISBN 0-7190-0783-6.

External linksEdit