Greenhalgh sculpted the heads of 6 Prime Ministers' heads in the Prime Ministers' Avenue, Ballarat Botanical Gardens.Victor Greenhalgh became a famous Australian sculptor whose work is highly regarded, especially in Ballarat and Victoria.1 sheet of notesNonejohn garner, doctor, ballarat botanical gardens, victor greenhalgh, greenhalgh road., school of mines, prime ministers' avenue, prime ministers' busts, rmit scholarship., national gallery, george v statue, deakin university (mt clear) dick richards bust, centennial medal.