San Antonio - The Rev. Claude William Black Jr., an influential civil rights advocate in San Antonio, has died. He was 92.

Black died Friday night after a lengthy illness, said his grandson Taj Matthews.

He was pastor emeritus of Mount Zion First Baptist Church, the largest African-American church in the city.

Black served on the San Antonio City Council in the 1970s and was its first black mayor pro-tem.

He was among religious leaders who fought against segregation and helped integrate San Antonio's parks, swimming pools and department store lunch counter.

Black also became an associate of Martin Luther King, A. Phillip Randolph, Thurgood Marshall and Adam Clayton Powell Jr., the San Antonio Express-News reported online Saturday.

He was appointed a delegate to the 1995 White House Conference on Aging by President Clinton. During the Johnson administration, he was a delegate to the White House Conference on Civil Rights.