Zaha Hadid's projects are remarkable not only for her innovative way of handling tangible materials but also for her imagination regarding the medium of light. Her theories of fragmentation and fluidity are now well-known design techniques which enabled her form-finding. However, her advances in using light to render her architecture have often been neglected—even though they became an essential element in revealing and interpreting her architecture. The three-decade transition from minimal light lines at her early Vitra Fire Station to the world's tallest atrium at the Leeza SOHO skyscraper, which collects an abundance of daylight, shows the remarkable development of Zaha Hadid’s luminous legacy.