Arlie Oswald Petters, MBE (born February 8, 1964) is a Belizean-American mathematical physicist, who is the Benjamin Powell Professor and Professor of Mathematics, Physics, and Business Administration at Duke University.^[1] Petters is a founder of mathematical astronomy, focusing on problems connected to the interplay of gravity and light and employing tools from astrophysics, cosmology, general relativity, high energy physics, differential geometry, singularities, and probability theory.^[2] His monograph “Singularity Theory and Gravitational Lensing” is the first to develop a mathematical theory of gravitational lensing. He was Chairman of the Council of Science Advisers to the Prime Minister of Belize (2010-2013).

Source: https://en.wikipedia.org/wiki/Arlie_Petters