Gina Rinehart’s father, Lang Hancock, is well known as a pioneer of the iron ore industry in Australia but few realise Hancock started his mining career on a smaller scale and digging for a different substance – blue asbestos. Hancock and his partner started the mining operation at Wittenoom in the 1940s before selling it to another company, CSR, which mined the area for 20 more years. Wittenoom has become synonymous with an immense tragedy that unfolded upon thousands of the people who lived and worked there due to exposure to asbestos fibres. In this episode of Gina, we interrogate some of the stories her family chooses to celebrate – and others they don’t Listen and subscribe to the Gina podcast at theguardian.com/gina