CHANCELLOR HOUSE In 1942, architect Frank L. Jarrett designed this modernist building for brothers Samuel, Hyman and Israel Bentel. During the 1950s, Mandela and Tambo Attorneys, at the time the only black-owned legal firm in South Africa, moved in upstairs and became a vital resource for Black South Africans seeking justice under apartheid, with daily queues of clients needing representation against discriminatory laws. Despite its location near the Chief Magistrate's offices, Advocate Jules Browde successfully opposed attempts to enforce the Group Areas Act.