Detroit civil rights leader Dr. Claude Young, personal physician to the late Dr. Martin Luther King Jr. and a cousin of the city’s first African American mayor, Coleman A. Young, died Tuesday at his home. Dr. Young, who had been battling cancer, was a former chairman of the board of the Southern Christian Leadership Conference (SCLC), the famed civil rights organization cofounded by Dr. King. Dr. Young, who was also a power broker in Michigan politics and in the national Democratic Party. Funeral arrangements will be announced later.