Alistair James Montagu Hay (born 1955) is an Australian botanist. He is a former director of the

Royal Botanic Garden, Sydney The Royal Botanic Garden, Sydney is a heritage-listed major botanical garden, event venue and public recreation area located at Farm Cove, New South Wales, Farm Cove on the eastern fringe of the Sydney central business district, in the City of ...

. He is the

heir presumptive An heir presumptive is the person entitled to inherit a throne, peerage, or other hereditary honour, but whose position can be displaced by the birth of a person with a better claim to the position in question. This is in contrast to an heir app ...

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.

References

Living people 1955 births 20th-century Australian botanists 21st-century Australian botanists Alistair Younger sons of marquesses {{Australia-botanist-stub