Gilbert Prousch, sometimes referred to as Gilbert Proesch (born 17 September 1943 in San Martin de Tor, Italy), and George Passmore (born 8 January 1942 in Plymouth, United Kingdom), are two artists who work together as the collaborative art duo Gilbert & George. They are known for their distinctive and highly formal appearance and manner in performance art, and also for their brightly coloured graphic-style photo-based artworks. In 2017, the artists celebrated their 50th anniversary.