 Walton Fellow of the Science Foundation of Ireland, a member of the International Academy of Quantum Molecular Science, and a recipient of Florida 2000 Award from the Florida Section of the American Chemical Society.Bartlett is the recipient of the American Chemical Society Award in Theoretical Chemistry (2007), the 2008 Schrödinger Medal of World Association of Theoretical and Computational Chemists (WATOC), the Boys-Rahman Award of the Royal Society of Chemistry (2009), Southern Chemist Award (2010), and honorary doctorates from Millsaps College (his alma mater) and from Comenius University (2012) in Bratislava, Slovakia.Bartlett has been widely recognized as a pioneer of rigorous many-body methods for electron correlation, in particular, many-body perturbation and coupled cluster methods, which are today’s central computational tool for accurate electronic structure predictions.