Albert Einstein was a theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics. Died April 18, 1955.
Rihanna
Robyn Rihanna Fenty is a Barbadian singer, songwriter, fashion designer, actress and businesswoman. Born February 20, 1988.
Justin Bieber
Justin Drew Bieber is a Canadian singer, songwriter, and actor. Discovered at the age of 13 by talent manager Scooter Braun after he had watched his YouTube cover song videos, Bieber was signed to RBMG Records in 2008.