Upon the passing of Duke family heiress Mary Duke Biddle Trent Semans, UNC-TV will rebroadcast an episode of "Biographical Conversations with Mary Semans" this weekend.

Semans, a philanthropist and strong advocate of the arts, education and human rights in North Carolina, was 91 when she died yesterday. 

UNC-TV will show three consecutive one-hour interviews on Sunday starting at 6 p.m. In the interviews, conducted by UNC-TV's Shannon Vickery, Semans tells her life story in our own words, from intimate family stories to personal discussions of her own public and philanthropic career.

Beginning tonight at 7pm, UNC-TV will air the first of three shows devoted to the life of renowned North Carolina statesman, Howard N. Lee.

"Biographical Conversations with Howard N. Lee" covers Lee's life from his election as mayor of Chapel Hill in 1969, making him the first African American mayor of a predominantly white southern city, to his service in the state legislature and to being the first African American to serve in the state cabinet.

Host Shannon Vickery's three 1-hour conversations with Lee cover his efforts to settle worker strife on the UNC-Chapel Hill campus, bringing public transportation to Chapel Hill, and much more.