Pierre-Joseph Proudhon, a French philosopher and economist, is widely regarded as the father of anarchism. His writings, particularly his book 'What is Property?', laid the foundation for anarchist thought and influenced subsequent generations of anarchists.

Anarchism's core principle is the abolition of government and the belief that individuals should be free to cooperate and organize their lives without coercion or domination by any central authority.

Pierre-Joseph Proudhon envisioned a decentralized, federalist society where individuals would freely associate in small, self-governing communities. He believed that this structure would eliminate the need for a centralized state.

Mikhail Bakunin, a Russian revolutionary and anarchist, introduced the concept of 'propaganda of the deed'. He believed that violent acts, such as assassinations and bombings, could serve as a catalyst for social change and inspire others to join the anarchist cause.

Emma Goldman, a prominent anarchist and feminist, championed individual autonomy and self-determination. She argued that individuals should have the freedom to make their own choices and live their lives as they see fit, without interference from the state or societal norms.

Josiah Warren, an American individualist anarchist, founded the Modern Times commune on Long Island, New York, in 1850. The commune was based on the principles of mutualism and voluntary association, and it experimented with alternative economic and social arrangements.

Mikhail Bakunin believed that capitalism and the state are inherently oppressive and exploitative. He advocated for a social revolution that would overthrow these systems and establish a stateless, classless society based on free association and mutual aid.

Peter Kropotkin, a Russian anarchist and scientist, founded the anarchist journal 'Freedom' in London in 1886. The journal served as a platform for anarchist ideas and debates, and it played a significant role in disseminating anarchist thought throughout Europe and North America.

Emma Goldman was a strong advocate for non-violence and pacifism. She believed that violence only perpetuates violence and that social change should be achieved through education, persuasion, and direct action.

Errico Malatesta, an Italian anarchist and revolutionary, founded the Anarchist Federation in 1891. The organization aimed to promote anarchist ideas, coordinate anarchist activities, and support anarchist struggles around the world.

Peter Kropotkin believed that technology and industrialization, when used in a rational and cooperative manner, could be harnessed to create a more just and equitable society. He envisioned a decentralized, technologically advanced society where individuals would have access to the resources and knowledge necessary to live fulfilling lives.

Francisco Ferrer, a Spanish anarchist and educator, founded the Modern School in Barcelona in 1901. The school was based on anarchist principles of freedom, equality, and solidarity, and it aimed to provide a comprehensive education that would empower students to think critically and challenge authority.

Pierre-Joseph Proudhon believed that anarchism is compatible with a market economy based on voluntary exchange. He argued that property should be based on labor and that workers should own the means of production. He also proposed a system of mutual credit to facilitate exchange and prevent the accumulation of wealth in the hands of a few.

Buenaventura Durruti, a Spanish anarchist and revolutionary, founded the Friends of Durruti in 1932. The organization was a militant anarchist group that played a significant role in the Spanish Civil War, fighting against both the Nationalist and Republican forces.

Noam Chomsky, a contemporary anarchist and linguist, argues that anarchism is not a utopian ideal but a practical and achievable goal. He believes that anarchism can be realized through a gradual process of social change and the erosion of state power.