About Alistair Hay
Born 1955. Alistair Hay is a botanist.
Alistair James Montagu Hay (born 1955) is an Australian botanist. He is a former director of the Royal Botanic Garden, Sydney. He is the heir presumptive to his older brother Charles Hay, 14th Marquess of Tweeddale (born 1947). Although entitled to the courtesy style of "Lord" as the younger son of a marquess, he does not use the style.
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Important facts
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Frequently asked questions
Who is Alistair Hay?
Australian botanist
When was Alistair Hay born?
Alistair Hay was born in 1955.
What is Alistair Hay's occupation?
Alistair Hay is a botanist.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Alistair Hay. https://biography.guide/alistair-hay/
MLA: "Alistair Hay." Biography.guide, https://biography.guide/alistair-hay/.
Chicago: "Alistair Hay." Biography.guide. https://biography.guide/alistair-hay/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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