Question: What is the name of the famous dancer, taught by Richard Thomas, that formed her own dance company in 1966?

full_context: Document 1: Richard Thomas (dancer): Richard Scott Thomas (December 3, 1925 – July 27, 2013) was an American dancer, educator, and co-founder of the New York School of Ballet along with his wife Barbara Fallis. He is known as a teacher of Eliot Feld and Twyla Tharp
Document 2: Robert Weiss (choreographer): Robert Weiss is an American ballet dancer, choreographer, and Artistic Director of Carolina Ballet. He began his professional career at age 17 joining the New York City Ballet under George Balanchine, eventually becoming a Principal Dancer. Balanchine created several roles for him, including Ballo della Regina. Weiss remained with the New York City Ballet for 16 years. He later served as Artistic Director of the Pennsylvania Ballet from 1982 to 1990. Weiss then became the founding Artistic Director of Carolina Ballet in 1997 where he has remained to this day.
Document 3: 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 4: Susan Marshall (choreographer): Susan Marshall (born October 17, 1958) is an American choreographer and dancer. She is the Artistic Director and Choreographer of Susan Marshall & Company which she formed sometime between 1982 and 1983, working initially with dancers Arthur Armijo, David Dorfman, Jackie Goodrich, and David Landis. Marshall has created over thirty dance works throughout her many years working with the company. She is known for incorporating everyday abstract movements, repetition, and variety into her pieces. She encourages her performers to develop a level of intimacy between each other, and between their audiences. She wants the audience to feel an emotional connection to the dancers. Marshall currently holds the role of the director of the Program in Dance at Princeton University's Lewis Center for the Arts, which she assumed in 2009.
Document 5: Alvin Ailey: Alvin Ailey (January 5, 1931 – December 1, 1989) was an African-American choreographer and activist who founded the Alvin Ailey American Dance Theater in New York City. He is credited with popularizing modern dance and revolutionizing African-American participation in 20th-century concert dance. His company gained the nickname "Cultural Ambassador to the World" because of its extensive international touring. Ailey's choreographic masterpiece "Revelations" is believed to be the best known and most often seen modern dance performance. In 1977, Ailey was awarded the Spingarn Medal from the NAACP. He received the Kennedy Center Honors in 1988. In 2014, President Barack Obama selected Ailey to be a posthumous recipient of the Presidential Medal of Freedom.
Document 6: Dennis Wayne's Dancers: Dennis Wayne's Dancers was a New York based contemporary ballet company founded around dancer Dennis Wayne by Paul Newman and Joanne Woodward. Formed in the summer of 1975 after Wayne left the American Ballet Theatre, the contemporary ballet company drew on the talents of many famous dancers and received critical acclaim. The dancers came from a variety of different companies, including Joffrey Ballet and American Ballet Theatre. Known for their virtuosic skill, the company performed both ballet and modern dance works. Dennis Wayne’s Dancers presented diverse programs with pieces by a variety of choreographers; though he also presented work he choreographed himself. Dennis Wayne also danced with the Company, but did not begin appearing with them until 1986.
Document 7: Heather Watts: Heather Watts (born September 27, 1953), was a principal ballerina with New York City Ballet. A native of California, Ms. Watts was born as Linda Heather Watts in Long Beach on September 27, 1953. As a little girl, she was a troublemaking child. She had always wanted to be an actress. An acting coach advised her taking ballet classes, seeing as she was incredibly dramatic (and clumsy). She started dancing at the age of 10, came to New York at the age of 13 on a Ford Foundation summer scholarship to attend the School of American Ballet, the official school of the New York City Ballet. She moved permanently to New York at age 15, again on a Ford Foundation scholarship to the School of American Ballet. Watts joined the New York City Ballet in 1970 and was promoted to principal dancer by company founder George Balanchine in 1979. George Balanchine took Watts into his companies "because he would not let such a talent disappear." During Ms. Watts's tenure with the company, she had numerous principal roles created for her by George Balanchine, Jerome Robbins, and Peter Martins among others. Mr. Balanchine gave Ms. Watts the principal roles in many of his existing masterpieces, including "Agon", Concerto Barocco, "Apollo", Symphony in C, "Theme and Variations" and "Serenade". Ms. Watts performed around the world and starred in numerous "Dance in America" television programs, and she performed opposite frequent partner Mikhail Baryshnikov at the White House in a national televised performance of Balanchine's "Rubies" for President and Mrs. Carter. Ms. Watts retired from the stage in a gala performance at Lincoln Center in 1995.
Document 8: Bill Evans (dancer): Bill Evans is a choreographer, performer, teacher, administrator, writer and movement analyst. More than 250 of Evans' works have been performed by professional and pre-professional ballet, modern dance and tap dance companies throughout the United States, including his own Bill Evans Dance Company, Repertory Dance Theatre, Concert Dance Company of Boston, Ballet West, Ririe-Woodbury Dance Company, Ruth Page Chicago Ballet, Pacific Northwest Ballet, North Carolina Dance Theater, Stars of American Ballet at Jacob's Pillow, Chicago Tap Theatre, Rochester City Ballet, FuturPointe Dance and many other companies. He has also created works for companies in Canada, Mexico and New Zealand.
Document 9: Broadway Dance Center: Broadway Dance Center, located on West 45th Street west of Times Square in New York City, was founded in 1984 as one of the first "drop-in" dance training schools in the world, offering over 200 classes a week in Jazz, Tap, Ballet, Contemporary, Hip Hop, Theater and more (Yoga, Pilates, Flexibility, Belly Dancing, Vocal Performance, and Vocal Technique). Dancers and performers such as Bette Middler, Brooke Shields, Britney Spears, Madonna, *NSYNC, Katherine Bailess, Jason Samuels Smith, Almamy and Elizabeth Berkley have taken class or rehearsed at the school and many Broadway performers take class there daily.
Document 10: Bob Fosse: Robert Louis Fosse (June 23, 1927 – September 23, 1987) was an American dancer, musical theatre choreographer, director, screenwriter, film director and actor.
Document 11: Yvonne Marceau: Yvonne Marceau is an American ballroom dancer, choreographer, and instructor. She was born in Chicago, IL, and holds a B.F.A. from the University of Utah as well as an associate degree from the Imperial Society of Ballroom Dance. In 1984, Marceau co-founded American Ballroom Theater with her dance partner, Pierre Dulaine. Together, Marceau and Dulaine won numerous ballroom dance contests and were four-time winners of the British Exhibition ballroom competition. Marceau is the recipient of various awards, including the Astaire Award and the Dance Magazine Award. Along with Dulaine, Marceau co-founded the Ballroom Theater’s Dancing Classrooms program, which is featured in the documentary Mad Hot Ballroom. Marceau has been on the faculty at The Juilliard School since 1993 and has taught at the School of American Ballet as well as for numerous New York City social groups, including the Union Club and cotillion societies. Marceau also currently teaches at the NYU Tisch New Studio on Broadway.
Document 12: Lila York: Lila York (born 29 November 1948) is an American dancer and choreographer based in New York City. She studied English Literature at Skidmore College before studying ballet and modern dance at the Martha Graham Center of Contemporary Dance and with Paul Sanasardo. York joined the Paul Taylor Dance Company in 1973 where she danced for more than a decade. After leaving the company, she left the "very heart of American modern dance" to become one of "ballet's most sought-after choreographers", working with many of the world's foremost ballet companies.
Document 13: Richard Thomas (tin plate manufacturer): Richard Thomas (1837–1916) was an English tin plate manufacturer. He was the founder of Richard Thomas & Co., which later merged with Baldwins Ltd to become Richard Thomas and Baldwins, which in turn was absorbed into British Steel Corporation in the 1960s.
Document 14: Dance in California: California is rich in dance history. In classical ballet, California is home to the oldest professional ballet company in the United States. The San Francisco Ballet, founded as the San Francisco Opera Ballet in 1933, predates both American Ballet Theater and New York City ballet. Barbara Crockett founded the Sacramento Ballet in 1954 and hosted the first festival for the Pacific Western Region of Regional Dance America in 1966. In modern dance, Ruth St. Denis established her second school in the Hollywood area of Los Angeles in 1940 while Lester Horton created the Horton Dance Group in 1934, also in Los Angeles. Ann Halprin founded the San Francisco Dancers’ Workshop in 1950 and continues to live and work in the San Francisco Bay Area. The Bay Area in also home to Alonzo King's Lines Ballet and Oberlin Dance Collective.
Document 15: 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.
ground_truth: Twyla Tharp