Question: When was American modern dancer and choreographer who danced Danza born 

Context articles: Danza (ballet)
Beverly Schmidt Blossom
Sophia Delza
Valerie Bettis
Daniel Nagrin
Martha Graham
Donald McKayle
Janet Lilly
Eleanor King
Ze'eva Cohen

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.
Beverly Schmidt Blossom (August 28, 1926 – November 1, 2014) was an American modern dancer, choreographer and teacher.
 She was an original member and soloist with the Alwin Nikolais Dance Theater, a modern dance choreographer for Illinois Dance Theatre, Blossom & Co. and others, and a Professor at the University of Illinois at Urbana-Champaign.
Sophia Delza Glassgold (1903 – June 27, 1996), born Sophie Hurwitz, was an American modern dancer, choreographer, author, and practitioner of Wu-style tai chi, which she taught at her school in New York City.
 She authored the first English language book on tai chi, "T'ai Chi Ch'uan: Body and Mind in Harmony".
 Through her books, articles, lectures, and television appearances, Delza promoted the practice of tai chi for health and fitness, and was one of the earliest popularizers of Chinese martial arts in the United States.
Valerie Elizabeth Bettis (December 1919 – 26 September 1982) was an American modern dancer and choreographer.
 She found success in musical theatre, ballet, and as a solo dancer.
Daniel Nagrin (May 22, 1917 – December 29, 2008) was an American modern dancer, choreographer, teacher, and author.
 He was born in New York City.
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.
Donald McKayle (born July 6, 1930 in New York City) is an American modern dancer, choreographer, teacher, director and writer best known for creating socially conscious concert works during the 1950s and '60s that focus on expressing the human condition and more specifically, the black experience in America.
 He was, "Among the first black men to break the racial barrier by means of modern dance,".
 His talents extend beyond the concert stage as McKayle has also performed and choreographed for Broadway musicals, theatre, television, and film.
 He has worked with many choreographers such as Martha Graham, Alvin Ailey, Anna Sokolow, and Merce Cunningham.
 A Tony Award and Emmy Award nominee, McKayle is currently a Professor of Dance, Modern Technique and Choreography, at UC Irvine, in the Claire Trevor School of the Arts Dance Department.
 He has served on the faculties of Connecticut College, Sarah Lawrence College, and Bennington College.
Janet Lilly (born August 15, 1957) is an American modern dancer and choreographer.
 She was a principal dancer for Bill T. Jones and Arnie Zane's company from 1983–1991.
 She currently serves as the Director of the UNCG College of Visual and Performing Arts, School of Dance at the University of North Carolina at Greensboro.
 From 2012–2014 she the president of the Board of Directors of Iyengar Yoga National United States Association.
Eleanor Campbell King (1906–1991) was an American modern dancer, choreographer, and educator.
 She was a member of the original Humphrey-Weidman company, where she was a principal dancer in the pioneering modern dance movement in New York City, then moving on to choreography and founding her own dance company in Seattle, Washington.
 She was a professor emerita at the University of Arkansas, where she taught from 1952 to 1971, before retiring to Santa Fe, New Mexico to start a new course of study into classical Japanese and Korean dance.
 She choreographed over 120 dance works, and wrote extensively for a variety of dance publications.
 In 1948, she was named Woman of the Year in Seattle, and in 1986 was listed as a "Santa Fe Living Treasure", also receiving the New Mexico Governor's Artist Award.
 In 2000, her archive was recognized by the White House Millennium Council's "Save America's Treasures" program.
Ze'eva Cohen is a dancer, modern dance choreographer, and dance professor emeritus at Princeton University.
 Cohen grew up in Tel Aviv, Israel, the daughter of Yemeni immigrants.
 She traveled to New York City from Israel in 1963 to study at the Juilliard School and perform with the Anna Sokolow Dance Company.
 She danced with the company for ten years.
 Cohen was also a founding member of Dance Theater Workshop, where she worked as a choreographer and dancer from the mid-sixties to the early seventies.
 She has created a body of choreographic work which links her background in American modern dance with her Yemenite Jewish heritage.