Iannis Xenakis was a Greek-French composer and architect, born in 1922 and passing away in 2001. He is known for his innovative approach to music, combining mathematical concepts with sound. His works often incorporate complex rhythms and textures, making him a significant figure in 20th-century classical music. In addition to composition, Xenakis contributed to the field of architecture, working with the renowned architect Le Corbusier. He developed unique techniques for creating music, such as stochastic processes and graphical scores, which have influenced many contemporary composers and musicians.