Julia Kristeva is a Bulgarian-French philosopher, psychoanalyst, and prolific author renowned for her work on linguistics, literary theory, and psychoanalysis. Born in 1941 in Bulgaria, she moved to France in the mid-1960s and became a prominent figure in the intellectual circles of Paris. Kristeva is best known for her theories of intertextuality and abjection, as well as her contributions to feminist psychoanalytic theory. Her notable works include "Powers of Horror," "Revolution in Poetic Language," and "Black Sun." As a professor at the University Paris Diderot and a practicing psychoanalyst, Kristeva continues to influence contemporary thought across multiple disciplines.