Question: When was the brother of dancer Gregory Hines and creator of Uptown... It's Hot! born?

full_context: Document 1: Les Blancs: Les Blancs is a play written by Lorraine Hansberry. It debuted on Broadway on November 15, 1970 and ran until December 19 of that same year. It debuted to heavy criticism. It was Lorraine Hansberry’s final work and she considered it her most important, as it depicts the plights of colonialism in the late 19th and early 20th centuries. It is her only play that takes place in Africa, and it uses dance and music both as signifiers of black and African cultures; a concept called the Black Aesthetic.
Document 2: It's Quiet Uptown: "It's Quiet Uptown" is the eighteenth song from Act 2 of the musical "Hamilton", based on the life of Alexander Hamilton, which premiered on Broadway in 2015. Lin-Manuel Miranda wrote both the music and lyrics to the song. The song takes place in the second act of the musical, as the characters Alexander Hamilton and his wife Eliza grieve over their son's death.
Document 3: Hot Shots (dance companies): The Hot Shots is a collective name for two closely related Swedish dance companies based in Stockholm, Sweden: The Rhythm Hot Shots and the Harlem Hot Shots. The Hot Shots specialize in faithful reproductions of African-American dance scenes in American films from the 1920s, 30s, and 40s. Dances that they perform include Lindy Hop, Tap dance, Cakewalk, Charleston, and Black Bottom. The members of the Hot Shots are also respected dance instructors and accomplished social dancers. The goals of The Rhythm Hot Shots and the Harlem Hot Shots are the same.
Document 4: Maurice Gibb: Maurice Ernest Gibb, CBE ( ; 22 December 1949 – 12 January 2003) was a singer, songwriter, multi-instrumenatalist and record producer, who achieved fame as a member of the pop group the Bee Gees. Although his brothers Barry and Robin Gibb were the group's main lead singers, most of their albums included at least one or two compositions by Maurice, including "Lay It on Me", "Country Woman" and "On Time". The Bee Gees were one of the most successful rock-pop groups ever. Gibb's role in the group focused on melody and arrangements, providing backing vocal harmony and playing a variety of instruments.
Document 5: Hot Feet: Hot Feet is a jukebox musical featuring the music of Earth, Wind & Fire, a book by Heru Ptah and was conceived, directed, and choreographed by Maurice Hines. The musical opened on Broadway at the Foxwoods Theatre (then the Hilton Theatre) on April 30, 2006 and closed on July 23, 2006.
Document 6: Maurice Gibb: Maurice Ernest Gibb, CBE ( ; 22 December 1949 – 12 January 2003) was a singer, songwriter, multi-instrumenatalist and record producer, who achieved fame as a member of the pop group the Bee Gees. Although his brothers Barry and Robin Gibb were the group's main lead singers, most of their albums included at least one or two compositions by Maurice, including "Lay It on Me", "Country Woman" and "On Time". The Bee Gees were one of the most successful rock-pop groups ever. Gibb's role in the group focused on melody and arrangements, providing backing vocal harmony and playing a variety of instruments.
Document 7: Uptown... It's Hot!: Uptown... It's Hot! was a 1986 Broadway play created, directed, choreographed by and starring Maurice Hines. Performed at the Lunt-Fontanne Theatre, the play was a musical anthology chronicling the history of African-American music in the United States.
Document 8: Rhythm For Sale: Rhythm For Sale is biography about the life and times of performer, choreographer, director Leonard Harper. Rhythm For Sale chronicles Harper rise from an unknown child performer to Broadway's top black theater director. In 1921 the Schubert Brothers signed Harper with his partner and future wife Blanks to be the first Black act to tour the all-white Schubert circuit of theaters. In 1923 Leonard Harper showcases his Cabaret Floorshows and black musical comedies in Harlem's Cotton Club and his mainstay Connie's Inn and the Lafayette Theater. The tome details how Leonard Harper and black filmmaker Oscar Micheaux direct the first all-black talkie motion picture "The Exile" in 1931 and all of his works inaugurating the Apollo Theater and the main in-house producer/director. "Rhythm For Sale" explores Leonard Harper's downfall as his work becomes limited to just small-time Harlem nightclubs. His 1943 death from a heart attack while rehearsing his Harperettes chorus line is revealed and his funeral at the Abyssinian Baptist Church is surveyed."Rhythm For Sale" was authored by Leonard Harper's grandson Grant Harper Reid. The book is in the non-fiction genre and was published by Grant Harper Reid/Createspace. The media type is in both print and E-book. Rhythm For Sale has a total of 300 pages and the revised edition was published on August 11, 2014. ISBN
Document 9: Mikhail Baryshnikov: Mikhail Nikolayevich Baryshnikov (Russian: Михаи́л Никола́евич Бары́шников , Latvian: "Mihails Barišņikovs" ; born January 27, 1948), nicknamed "Misha" (Russian diminutive of the name "Mikhail"), is a Soviet and American dancer, choreographer, and actor.
Document 10: Black Nativity: Black Nativity is a retelling of the classic Nativity story with an entirely black cast. Traditional Christmas carols are sung in gospel style, with a few songs created specifically for the show. Originally written by Langston Hughes, the show was first performed Off-Broadway on December 11, 1961, and was one of the first plays written by an African American to be staged there. The show had a successful tour of Europe in 1962, one of its appearances being at the Spoleto Festival of Two Worlds in Italy. "Black Nativity" has been performed annually in Boston, Massachusetts at various locations, such as: the Elma Lewis School of Fine Arts, Boston Opera House, Tremont Temple, Roxbury Community College, Northeastern's Blackman Auditorium, and presently at Emerson College's Paramount Theater since 1969 & is considered the longest-running production of Langston Hughes' "Black Nativity." The original 160 singers were arranged by age group and vocal range, with an assortment of soloists, along with the narrator, and Mary and Joseph, who are both mute, as well as musicians & ASL interpreters.
Document 11: 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 12: Maurice Hines: Maurice Hines (born December 13, 1943) is an American actor, director, singer, and choreographer. He is the brother of dancer Gregory Hines.
Document 13: The Lorraine Hansberry Theatre: The Lorraine Hansberry Theatre is named after the acclaimed playwright of "A Raisin in the Sun". She wrote the play while living in Bay Area. Since being founded in 1981, The Lorraine Hansberry Theatre has mounted productions that have included performances by Ruby Dee, Ossie Davis, Danny Glover and Ntozake Shange. The Lorraine Hansberry Theatre is the first African-American arts institution to be located in downtown San Francisco.
Document 14: Maurice White: Maurice "Moe" White (December 19, 1941 – February 4, 2016) was an American singer-songwriter, musician, record producer, arranger, and bandleader. He was the founder of the band Earth, Wind & Fire. He was also the older brother of current Earth, Wind & Fire member Verdine White, and former member Fred White. He served as the band's main songwriter and record producer, and was co-lead singer along with Philip Bailey.
Document 15: Gregory Hines: Gregory Oliver Hines (February 14, 1946 – August 9, 2003) was an American dancer, actor, singer, and choreographer.
ground_truth: born December 13, 1943