Errico Malatesta was an Italian anarchist philosopher, writer, and activist. Born on December 14, 1853, in Recanati, Italy, he was a prominent figure in the anarchist movement. His work focused on the principles of anarchism, advocating for a society without authority and state. Malatesta was a key figure in the development of anarchist theory and practice, influencing many later anarchists. He passed away on July 22, 1932.