Martha Graham ( May 11 , 1894 -- April 1 , 1991 ) was an American modern dancer and choreographer whose influence on dance has been compared with the influence Picasso had on the modern visual arts , Stravinsky had on music , or Frank Lloyd Wright had on architecture .
Martha Graham ( May 11 , 1894 -- April 1 , 1991 ) was an American modern dancer and choreographer . Her influences on modern dance are usually compared with the influence Picasso had on the modern visual arts .