Luce Irigaray is a Belgian-born French philosopher, linguist, and feminist known for her work in feminist theory and psychoanalysis. Born in 1930, she has contributed significantly to discussions on gender, language, and sexuality, emphasizing the importance of women's experiences and voices in philosophy and society. Irigaray's writings often challenge traditional patriarchal structures and advocate for a new understanding of femininity. She argues that language and culture have historically marginalized women, and she seeks to create a space for women's identities and expressions. Her influential works include "This Sex Which Is Not One" and "Speculum of the Other Woman."