Frank's father, Alfred Neugarten, was born to Jewish parents in Germany and fought in the International Brigades in the Spanish Civil War.
In 1938, Alfred migrated to Palestine with a son from an earlier marriage, where he married another Jewish refugee, Anneliese Meinhardt.
[1] On 27 January 1980, Nugan was found dead on an isolated dirt track near Bowenfels, New South Wales with a gunshot wound to the head, which the coroner concluded was self-inflicted.
[1] The crime scene was found to be disturbed with many footprints around the body, which was noted at the time by police.
[5] In the days preceding his death, Nugan had sought to arrange a move to Florida with his US-born wife and three young children, and appeared confident that he could leave his Australian legal troubles behind him.