Simplify the following text for a Grade 9 native English-speaking person.
Original: Ernestine Jane Geraldine Russell , known simply as Jane Russell ( 21 June 1921 - 28 February 2011 ) was an American actress , born in Minnesota .
Simplified: Jane Russell ( June 21 , 1921 - February 28 , 2011 ) was an American film actress and was one of Hollywood 's leading sex symbols in the 1940s and 1950s .