Thomas Harvey Johnston
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Thomas Harvey Johnston was an Australian biologist and parasitologist. He championed the efforts to eradicate the invasive prickly pear.
Thomas Harvey Johnston, circa 1930
Part of a joint of a prickly pear cut open to show the pupa cases of a cactus weevil. From the Report of the Prickly-pear Travelling Commission
David Syme Research Prize
Nepabunna, South Australia
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Nepabunna, also spelt Nipapanha, is a small community in the northern Flinders Ranges in north-eastern South Australia, about 600 kilometres (370 mi) north of Adelaide. It is located just west of the Gammon Ranges, and the traditional owners are the Adnyamathanha people.
Nepabunna Mission, c.1937
Aerial view of the Campbell Bald Hill Range, just south of Nepabunna