Question: Martha Graham was an American modern dancer and choreographer, her style, reshaped American dance and is still taught worldwide, the Graham technique, is a modern dance movement style, and pedagogy created by the American dancer and choreographer Martha Graham, born on which date?

full_context: Document 1: Paul Taylor Dance Company: Paul Taylor Dance Company, is a contemporary dance company, formed by the famous dancer and choreographer Paul Taylor. The modern dance company is based in New York, New York and was founded in 1954.
Document 2: Ailes Gilmour: Ailes Gilmour (January 27, 1912 - April 16, 1993) was a Japanese American dancer who was one of the young pioneers of the American Modern Dance movement of the 1930s. She was one of the first members of Martha Graham's dance company. Ailes' older brother was sculptor Isamu Noguchi.
Document 3: Stuart Hodes: Stuart Hodes (born 1924) is an American dancer, choreographer, dance teacher, dance administrator and author. He was Martha Graham’s partner, danced on Broadway, in TV, film, in recitals, and with his own troupe. His choreography has appeared on the Boston Ballet, Dallas Ballet, Harkness Ballet, Joffrey Ballet, San Francisco Ballet and other troupes. He taught at the Martha Graham School, Neighborhood Playhouse, NYC High School of Performing Arts, headed dance at NYU School of the Arts and Borough of Manhattan Community College. He was Dance Associate for the NY State Council on the Arts, dance panelist for the National Endowment for the Arts, president of the National Association of Schools of Dance, and a member of the First American Dance Study Team to China in 1980, returning in 1992 to teach the Guangzhou modern dance troupe.
Document 4: Maggie Black: Margaret "Maggie" Black (March 31, 1930 – May 11, 2015) was a ballet teacher who taught in New York City during the 1970s and 1980s. She coached dancers such as Martine Van Hamel, Kevin McKenzie, Natalia Makarova and Gelsey Kirkland. She developed a ballet technique based on anatomy. She stressed moving from a neutral spinal and pelvic alignment with weight evenly distributed throughout each foot. She amassed a large following of both ballet and modern dancers. Eventually she split her class into two, one for modern dancers and one for ballet dancers. Choreographers such as William Forsythe and Ohad Naharin attended her class.
Document 5: Twyla Tharp: Twyla Tharp ( ; born July 1, 1941) is an American dancer, choreographer, and author who lives and works in New York City. In 1966, she formed her own company Twyla Tharp Dance. Her work often uses classical music, jazz, and contemporary pop music.
Document 6: Graham technique: Graham technique is a modern dance movement style and pedagogy created by American dancer and choreographer Martha Graham (1894–1991). Graham technique has been called the "cornerstone" of American modern dance, and has been taught worldwide. It is widely regarded as the first codified modern dance technique, and strongly influenced the later techniques of Merce Cunningham, Lester Horton, and Paul Taylor.
Document 7: Graham technique: Graham technique is a modern dance movement style and pedagogy created by American dancer and choreographer Martha Graham (1894–1991). Graham technique has been called the "cornerstone" of American modern dance, and has been taught worldwide. It is widely regarded as the first codified modern dance technique, and strongly influenced the later techniques of Merce Cunningham, Lester Horton, and Paul Taylor.
Document 8: Agrippina Vaganova: Agrippina Yakovlevna Vaganova (Russian: Агриппина Яковлевна Ваганова ; 26 June 1879 – 5 November 1951) was a Russian ballet teacher who developed the Vaganova method – the technique which derived from the teaching methods of the old "Imperial Ballet School" (today the "Vaganova Academy of Russian Ballet") under the "Premier Maître de Ballet" Marius Petipa throughout the mid to late 19th century, though mostly throughout the 1880s and 1890s. It was Vaganova who perfected and cultivated this form of teaching the art of classical ballet into a workable syllabus. Her "Fundamentals of the Classical Dance" (1934) remains a standard textbook for the instruction of ballet technique. Her technique is one of the most popular techniques today.
Document 9: Steve Paxton: Steve Paxton (born 1939 in Phoenix, Arizona) is an experimental dancer and choreographer. His early background was in gymnastics while his later training included three years with Merce Cunningham and a year with José Limón. As a founding member of the Judson Dance Theater, he performed works by Yvonne Rainer and Trisha Brown. He was a founding member of the experimental group Grand Union and in 1972 named and began to develop the dance form known as Contact Improvisation, a form of dance that utilizes the physical laws of friction, momentum, gravity, and inertia to explore the relationship between dancers.
Document 10: Martha Graham: Martha Graham (May 11, 1894 – April 1, 1991) was an American modern dancer and choreographer. Her style, the Graham technique, reshaped American dance and is still taught worldwide.
Document 11: Danza (ballet): Danza was a modern dance solo choreographed and danced by Martha Graham to music by Darius Milhaud. It premiered on March 3, 1929, at the Booth Theatre in New York City.
Document 12: Daniel Nagrin: Daniel Nagrin (May 22, 1917 – December 29, 2008) was an American modern dancer, choreographer, teacher, and author. He was born in New York City.
Document 13: Ron Protas: Ron Protas is the former Associate Director of the Martha Graham Center of Contemporary Dance and heir of modern dance choreographer Martha Graham.
Document 14: Balanchine technique: Balanchine technique is the ballet performance style invented by dancer, choreographer, and teacher George Balanchine (1904-1983), and a trademark of the George Balanchine Foundation. It is used widely used today in many of Balanchine's choreographic works. It is employed by ballet companies and taught in schools throughout North America, including the New York City Ballet and School of American Ballet, where it first emerged.
Document 15: Ruth St. Denis: Ruth St. Denis (January 20, 1879 – July 21, 1968) was an American modern dance pioneer, introducing eastern ideas into the art. She was the co-founder of the American Denishawn School of Dance and the teacher of several notable performers.
ground_truth: May 11, 1894