Madonna and William Friedkin, are of which nationality?
Madonna (entertainer) Madonna Louise Ciccone ( ; born August 16, 1958) is an American singer, songwriter, actress, and businesswoman. A leading presence during the emergence of MTV in the 1980s, Madonna is known for pushing the boundaries of lyrical content in mainstream popular music, as well as visual imagery in music videos and on stage. She has also frequently reinvented both her music and image while maintaining autonomy within the recording industry. Besides sparking controversy, her works have been acclaimed by music critics. Referred to as the "Queen of Pop", Madonna is widely cited as an influence by other artists.
Gregory Eskin Gregory Eskin (Russian: Григорий Ильич Эскин , born 5 December 1936) is a Russian-Israeli-American mathematician, specializing in partial differential equations.