First-time Marin filmmaker Mindy Steiner profiles the career of 84-year-old David Johnson, the first African American photographer to study under Ansel Adams, in "Positive Negatives," having its Northern California premiere on April 11 in the 10th Annual Tiburon International Film Festival.
History-making black photographer profiled at Tiburon Film Festival
First-time Marin filmmaker Mindy Steiner profiles the career of 84-year-old David Johnson, the first African American photographer to study under Ansel Adams, in "Positive Negatives," having its Northern California premiere on April 11 in the 10th Annual Tiburon International Film Festival.