Question: Why I Am an Atheist was written by the revolutionary who was executed at what age?

full_context: Document 1: Baba Bujha Singh: Baba Bujha Singh (Punjabi: ਬਾਬਾ ਬੂਝਾ ਸਿੰਘ ) (died July 28, 1970) was an Indian revolutionary leader. He was an activist of the Ghadar Party and later became a key leader of the Lal Communist Party. Singh later became a symbol of the Naxalite movement in Punjab.
Document 2: The Atheist (play): The Atheist is written by Irish born playwright, Ronan Noone. His previous plays include "The Lepers of Baile Baiste" (Critics Pick, Boston Globe) and "The Blowin of Baile Gall" which had its Off-Broadway debut, produced by Gabriel Byrne, at the Irish arts Center in New York in 2005. "The Blowin of Baile Gall" was nominated by the American Theatre Critics Association for the Steinberg New Play Award and won the Elliot Norton Award for Outstanding New Script. In 2003, Noone was chosen by Boston Magazine as the Best Young Playwright of the Year. The subject of "The Atheist" is not God, but the religion of tabloid journalism.
Document 3: Jaimal Singh Padda: Jaimal Singh Padda was a poet, communist activist. He was shot dead on 17 March 1988 in Lakhan ka Padda village, Kapurthala district by Khalistan movement extremists. He was filmed reciting his poem Una Mitterandi Yaad Pyari, before his death, by Anand Patwardhan in his documentary Una Mitterandi Yaad Pyari.
Document 4: Revolutionary movement for Indian independence: The "Revolutionary movement for Indian independence"' is a part of the Indian independence movement comprising the actions of the underground revolutionary factions. Groups believing in armed revolution against the ruling British fall into this category, as opposed to the generally peaceful civil disobedience movement spearheaded by Mohandas Karamchand Gandhi. The revolutionary groups were mainly concentrated in Bengal, Maharashtra, Bihar, the United Provinces and Punjab. More groups were scattered across India.
Document 5: Simon Cottee: Simon Cottee is an academic who works as a senior lecturer in criminology at the University of Kent, and is a regular contributor to "The Atlantic". Cottee previously worked at Bangor University and the University of the West Indies' Trinidad campus. He is the author of "The Apostates: When Muslims Leave Islam" (Hurst Publishers, 2015), which the publishers claim is "the first major study of apostasy from Islam in the Western secular context". In a review published in "New Humanist", Alom Shaha wrote that the book "brings sensitivity and empathy to an intensely polarised debate". Nick Cohen, writing in "The Spectator", argues that Cottee "shows how elements in the left and academia are happy to denounce Muslims who exercise their freedom to abandon their religion as 'native informers' who have gone over to the side of western imperialism". Cottee is also editor, with Thomas Cushman, of "Christopher Hitchens and His Critics: Terror, Iraq, and the Left" (New York University Press, 2008). Cottee's published research also includes journal articles on topics including the murder of Theo van Gogh and the motivations of terrorists. He has argued that gang culture offers a way of understanding the appeal of ISIS . Cottee also argues that the group's propaganda videos have a "pornographic quality".
Document 6: Shaheed Udham Singh (film): Shaheed Udham Singh is a 2000 revolutionary movie based on the life of the son of Hindustani soil, Shaheed Udham Singh who spent his whole life to punish Michael O'Dwyer, the British Lieutenant Governor of the Punjab who ordered the massacre of a thousand people at Jallianwala Bagh in Amritsar. The film was screened retrospective on August 13, 2016 at the "Independence Day Film Festival" jointly presented by the Indian Directorate of Film Festivals and Ministry of Defense, commemorating 70th Indian Independence Day.
Document 7: Bhagat Singh: Bhagat Singh (] 1907  – 23 March 1931) was a charismatic Indian socialist revolutionary whose two acts of dramatic violence against the British in India and execution at age 23 made him a folk hero of the Indian independence movement.
Document 8: The Rage Against God: The Rage Against God (subtitle in US editions: How Atheism Led Me to Faith) is the fifth book by Peter Hitchens, first published in 2010. The book describes Hitchens's journey from atheism, far-left politics, and bohemianism, to Christianity and conservatism, detailing the influences on him that led to his conversion. The book is partly intended as a response to "God Is Not Great", a book written by his brother Christopher Hitchens in 2007.
Document 9: 23rd March 1931: Shaheed: 23rd March 1931: Shaheed is a 2002 Indian Hindi historical biographical film about Bhagat Singh, directed by Guddu Dhanoa which depicts the events leading up to the hanging of Indian freedom fighter Bhagat Singh and his companions Rajguru and Sukhdev on 23 March 1931. The film stars Bobby Deol as Bhagat Singh, his elder brother Sunny Deol as Chandrashekhar Azad and Amrita Singh in her comeback role as Bhagat Singh's mother. Aishwarya Rai has a special appearance in a song.
Document 10: Discrimination against atheists: Discrimination against atheists, both at present and historically, includes the persecution of those identifying themselves or labeled by others as atheists, as well as the discrimination against them. Discrimination against atheists may also refer to and comprise the negative attitudes towards, prejudice, hostility, hatred, fear, and/or intolerance towards atheists and/or atheism. Because atheism can be defined in various ways, those discriminated against or persecuted on the grounds of being atheists might not have been considered atheists in a different time or place. As of 2015, 19 countries punish their citizens for apostasy, and in 14 of those countries it is punishable by death.
Document 11: Dan Barker: Daniel Edwin Barker (born June 25, 1949) is an American atheist activist who served as a Christian preacher and musician for 19 years but left Christianity in 1984. He and his wife Annie Laurie Gaylor are the current co-presidents of the Freedom From Religion Foundation. He has written numerous articles for "Freethought Today", an American freethought newspaper. He is the author of several books including "Losing Faith in Faith: From Preacher to Atheist".
Document 12: Sarabjit Singh: Sarabjit Singh (also spelled Sarabjeet Singh; 1963 or 1964 – 2 May 2013) (alleged to be Manjit Singh by Pakistan) was an Indian national convicted of terrorism and spying by a Pakistani court. He was tried and convicted by the Supreme Court of Pakistan for a series of bomb attacks in Lahore and Faisalabad that killed 14 bystanders in 1990. On the contrary, Sarabjit claimed he was a farmer who strayed into Pakistan from his village located on the border, three months after the bombings. According to an unnamed Indian Intelligence official, Singh had been a spy for the Indian Research and Analysis Wing intelligence agency and had been working undercover in Pakistan.
Document 13: Humanist Manifesto I: A Humanist Manifesto, also known as Humanist Manifesto I to distinguish it from later Humanist Manifestos in the series, was written in 1933 primarily by Raymond Bragg and published with 34 signers. Unlike the later manifestos, this first talks of a new religion and refers to humanism as a religious movement meant to transcend and replace previous, deity-based systems. Nevertheless, it is careful not to express a creed or dogma. The document outlines fifteen affirmations on cosmology, biological and cultural evolution, human nature, epistemology, ethics, religion, self-fulfillment, and the quest for freedom and social justice. This latter, stated in article fourteen, proved to be the most controversial, even among humanists, in its opposition to "acquisitive and profit-motivated society" and its demand for an egalitarian world community based on voluntary mutual cooperation. The document's release was reported by the mainstream media on May 1, simultaneous with its publication in the May/June 1933 issue of the "New Humanist".
Document 14: Why I Am an Atheist: Why I am an Atheist is an essay written by Indian revolutionary Bhagat Singh in 1930 in Lahore Central Jail. The essay was a reply to a religious man who thought Bhagat Singh became an atheist because of his vanity.
Document 15: Udham Singh: Udham Singh (26 December 1899 – 31 July 1940) was an Indian revolutionary best known for assassinating Michael O'Dwyer, the former Lieutenant Governor of the Punjab in British India, on 13 March 1940. The assassination has been described as an avenging of the Jallianwala Bagh massacre in Amritsar in 1919. Udham Singh is a well-known figure of the Indian independence movement. He is sometimes referred to as Shaheed-i-Azam Sardar Udham Singh (the expression "Shaheed-i-Azam," Urdu: شهید اعظم‎ , means "the great martyr"). A district (Udham Singh Nagar) of Uttarakhand was named after him in October 1995 by Mayawati government.
ground_truth: 23