Question: Who founded the predominantly African-American Methodist denomination based in the United States, located at 32 West 123rd Street in Harlem?

Context paragraphs:
Greater Bethel AME Church (Harlem, New York): Greater Bethel AME Church is located at 32 West 123rd Street in Harlem.  It is one of the oldest black churches in New York City.  The Greater Bethel African Methodist Episcopal Church was founded in Lower Manhattan in 1819 and moved into the Harlem Library building in the early twentieth century.

Methodist Church of Australasia: The Methodist Church of Australasia was a Methodist denomination based in Australia.  On 1 January 1902, five Methodist denominations in Australia – the Wesleyan Methodist Church, the Primitive Methodists, the Bible Christian Church, the United Methodist Free and the Methodist New Connexion Churches came together to found a new church.  In polity it largely followed the Wesleyan Methodist Church.  This Church established a General Conference, meeting triennially, for Australasia (which then included New Zealand) in 1875, with Annual Conferences in the States.

Wesleyan Methodist Church (Allegheny Conference): Wesleyan Methodist Church (Allegheny Conference), also known as the Allegheny Wesleyan Methodist Connection, is a Methodist denomination in the United States within the holiness movement.  It traces its origin to the Wesleyan Methodist Church which was a Methodist denomination in the United States organized on May 13, 1841.  The church withdrew from the Methodist Episcopal Church because of disagreements regarding slavery, church government, and the doctrine of holiness according to the Discipline of the Wesleyan Methodist Connection (1841).  The first secessions in 1841 took place in Michigan although the new church group was formalized in Utica, New York.  In November 1842, Orange Scott, La Roy Sunderland and J. Horton seceded from the M. E. Church for reasons given in their publication of the "True Wesleyan."  The following month Luther Lee and L. C. Matlock followed.  The first general conference was held in Utica, NY in October, 1844.  Later the name was changed to The Wesleyan Methodist Connection of America.

Methodist Episcopal Church: The Methodist Episcopal Church (MEC) was the first Methodist denomination founded in the United States.  In the early 19th century, it was the largest Protestant denomination in the U.S.  The Methodist Episcopal Church existed from 1784 until 1939, when it merged with the Methodist Episcopal Church, South and the Methodist Protestant Church to form the Methodist Church.  In 1968, the Methodist Church merged with the Evangelical United Brethren Church to form the present-day United Methodist Church.

Methodist Church (USA): The Methodist Church was the official name adopted by the Methodist denomination formed in the United States by the reunion on May 10, 1939, of the northern and southern factions of the Methodist Episcopal Church (which had split earlier in 1844 over the issue of slavery and the impending Civil War in America.  During the American Civil War, the denomination was known briefly as The Methodist Episcopal Church in the Confederate States of America) along with the earlier separated Methodist Protestant Church of 1828.

African Methodist Episcopal Church: The African Methodist Episcopal Church, usually called the A.M.E. Church, is a predominantly African-American Methodist denomination based in the United States.  It is the first independent Protestant denomination to be founded by black people .  It was founded by the Rt.  Rev. Richard Allen in Philadelphia, Pennsylvania, in 1816 from several black Methodist congregations in the mid-Atlantic area that wanted independence from white Methodists.  Allen was consecrated its first bishop in 1816.  It began with eight clergy and five churches, and by 1846 had grown to 176 clergy, 296 churches, and 17,375 members.  The 20,000 members in 1856 were located primarily in the North.  AME national membership (including probationers and preachers) jumped from 70,000 in 1866 to 207,000 in 1876.

Manhattanville, Manhattan: Manhattanville (also known as West Harlem or West Central Harlem) is a neighborhood in the New York City borough of Manhattan bordered on the north and south by West 134th Street and West 122nd Street, respectively; on the west by Morningside Park and on the east by Adam Clayton Powell Jr.  Boulevard.  Other sources show the neighborhood bordered on the north and south by West 135th Street and West 123rd Street, respectively; on the west by the Hudson River and on the east by the campus of City College.

Manhattan Community Board 10: The Manhattan Community Board 10 is a New York City community board encompassing the neighborhoods of Harlem and Polo Grounds in the borough of Manhattan.  It is delimited by Fifth Avenue and Mount Morris Park on the east, Central Park on the south, Harlem River drive, Edgecombe Avenue, Saint Nicholas Avenue, the 123rd street and Morningside Avenue on the west, as well as by the Harlem River on the north.

123rd Street – Blue Island (Metra station): 123rd Street Station (also known as 123rd Street - Blue Island Station) is one of four Metra railroad stations in Blue Island, Illinois, along the Beverly Branch of the Rock Island District Line, and five within Blue Island generally.  It is 15.2 mi from LaSalle Street, the northern terminus of the line, and is named after and located on 123rd Street.  In Metra's zone-based fare system, 123rd Street is in zone D.

Korean Methodist Church: The Korean Methodist Church is a large Methodist denomination in South Korea, with approximately 1.5 million members.  Methodist missionaries came from the United States in the late 19th century.  It became independent in 1930, and celebrated its centennial in 1984.  The denomination has ties with its mother church, the United Methodist Church.

Supporting paragraphs: Greater Bethel AME Church (Harlem, New York) African Methodist Episcopal Church
Answer: Rev. Richard Allen