Tanya Ballantyne (May 4, 1944 - June 18, 2015), also known later in her career as Tanya Ballantyne Tree, was a Canadian film director,[1] most noted for her 1967 documentary film The Things I Cannot Change. Created for the National Film Board of Canada, the film was broadcast by CBC Television on May 3, 1967, as an episode of the anthology series Festival, and received a special mention from the... see more