Stuart Leslie Devlin AO CMG was an Australian artist and metalworker who specialised in gold and silver. He designed coins for countries around the world, and became especially well known as London-based designer of collectors' items in the 1970s and 1980s.
Devlin was born in Geelong, Victoria, Australia, and became an art teacher, specializing in gold and silversmithing. In 1957, he obtained a post at the Royal Melbourne Institute of Technology and studied for a Diploma of Art in gold and silversmithing. He was awarded scholarships to study at the Royal College of Art in London in 1958, and was awarded a Harkness Fellowship by the Commonwealth Fund. He spent the two-year fellowship at Columbia University in New York City.
He rose to fame when, in 1964, he won a competition to design the first decimal coinage for Australia.