First Lady of the Musical Theater

     
Wikipedia: Mary Martin 
Mary Virginia Martin (December 1, 1913 – November 3, 1990) was an American actress and singer. A muse of Rodgers and Hammerstein, she originated many leading roles on stage over her career, including Nellie Forbush in South Pacific (1949), the title character in Peter Pan (1954), and Maria von Trapp in The Sound of Music (1959). She was named a Kennedy Center Honoree in 1989. She was the mother of actor Larry Hagman.
 
Wikipedia: Ethel Merman
Ethel Merman (born Ethel Agnes Zimmermann, January 16, 1908 – February 15, 1984) was an American actress and singer, known for her distinctive, powerful voice, and for leading roles in musical theatre. She has been called “the undisputed First Lady of the musical comedy stage”. Over her distinguished career in theater she became known for her performances in shows such as Anything Goes, Annie Get Your Gun, Gypsy, and Hello, Dolly!