Sophie Tucker (January 13, 1887 – February 9, 1966) was a Ukrainian-born American singer, comedian, actress, and radio personality. Known for her stentorian delivery of comical and risqué songs, she was one of the most popular entertainers in America during the first half of the 20th century. She was widely known by the nickname "The Last of the Red Hot Mamas".
Sophie Tucker was less popular after 1950.
It states that she was more popular during the first half of the 20th century which would be before 1950. The system did not understand this statement.