Who was famous in the 1940's?
Jackie Robinsons was one of the many famous people in the 1940's. He was the first African-American man to play mojor league baseball.
Wikipedia has articles on decades. Usually, a decade's article includes lists of people who were important in that decade. The lists for the 1940s inlcude world leaders, military leaders, activists and religious leader, entertainers, musicians, and sports figures. There is a link to the lists below.