Ricardo Duchesne is a Puerto Rican-born Canadian historical sociologist and former professor at the University of New Brunswick. His main research interests are Western civilization, the rise of the West, and multiculturalism. Duchesne's views on immigration and multiculturalism have been described as racist and white nationalist. He has denied being a racist to the mainstream press, but has described himself as being "the only academic in Canada, and possibly the Western world, who questions the ideology of diversity while advocating white identity politics." Biographical Information and Career Overview Duchesne was born in Puerto Rico; his mother Coralie Tattersall Duchesne was a British citizen born in Calcutta, his father Juan Duchesne Landrón a medical doctor of Afro-Puerto Rican and French heritage. His parents met when his mother was studying at the Sorbonne; they were wed in Tangier, had three children while living in Madrid, and three more, including Ricardo, after they moved to Puerto Rico in 1956. His parents divorced in 1970 and Ricardo Duchesne's mother moved to Montreal, where she became active in the local cultural scene as an actress and playwright; he joined her there in the mid-1970s when he was 15 years old. In Montreal he studied History at McGill University, and later at Concordia University under the supervision of George Rudé. In 1996, he received a doctorate in Social & Political Thought at York University for his 1994 Dissertation, "All Contraries Confounded: Historical Materialism and the Transition-to-Capitalism Debate". In 1995, Duchesne was appointed assistant professor in the department of social science at the University of New Brunswick. He took an early retirement from his position in 2019, following complaints of racism and hate speech. Of his siblings, his older brother, Juan Ramón Duchesne Winter, has become a professor of Latin American Literature at the University of Pittsburgh with a special interest in indigenous cultures. Their sister Giselle Duchesne is a Spanish-language poet. Another sister, Rossana Duchesne, has helped document the history of Duchesne family members who were notable jazz musicians, including Puerto Rican relatives who played in New York during the Harlem Renaissance. Their grandfather Rafael Duchesne Mondriguez was a significant jazz clarinetist and composer who played as a soloist with the Harlem Hellfighters, the American regimental band that introduced jazz music to Europe, as part of his military service during the First World War. After the war he returned to live in Puerto Rico where he