21st-century New Zealand physicists

21st-century New Zealand physicists have made significant contributions across a variety of fields within physics, including experimental physics, theoretical physics, astrophysics, and materials science. Some notable physicists and their contributions include: 1. **Sir Paul Callaghan** - An influential physicist known for his work in the fields of magnetic resonance imaging (MRI) and materials science. He was also a prominent science communicator, advocating for the importance of science in society.