[Hedley Herbert Finlayson 1895-1991 - Australian leader in mammalogy - working with Aboriginal people. Finalyson was able to find small to medium sized ground dwelling desert mammals and document them during the 1930s. On his return during the 1950s a large majority of these mammals had either declined or dissapeared completely. This region is now known as the Anangu Pitjantjatjara Yankunytjatjara Lands or APY Lands, Ernabella has been renamed to Pukatja]