The Director once used to attend the secondary school where the Calgarth Estate once stood.
Tom Palmer published a book before the triathlon called 'After the War' which is based on The Windermere Children.
Sir Ben Helfgott, who is featured in the documentary, went on to compete in the Olympic Games as a weightlifter after being liberated from Nazi atrocities.
The tree which Trevor Friedman stands beside at the beginning of the documentary was grown from an acorn taken from the grounds of Auschwitz-Birkenau.
The film was shown to TV personality Robert Rinder who thought the film was "inspirational".