page_title: Thomas Harvey Johnston
hierarchical_section_title: Thomas Harvey Johnston
caption_attribution_description: English: Thomas Harvey Johnston, member of the scientific staff of the British, Australian and New Zealand Antarctic Research Expedition (1929-1931), ca. 1930
context_page_description: Thomas Harvey Johnston was an Australian biologist and parasitologist. He championed the efforts to eradicate the invasive prickly pear.
context_section_description: Thomas Harvey Johnston (9 December 1881 – 30 August 1951) was an Australian biologist and parasitologist. He championed the efforts to eradicate the invasive prickly pear.
caption: Thomas Harvey Johnston, circa 1930
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