Thomas Pedersen is one of the less well known contributors to the R ecosystem. His work on fundamentals like graphics rendering is the kind of thing that can be

Thomas Pedersen is one of the less well known contributors to the R ecosystem. His work on fundamentals like graphics rendering is the kind of thing that can be pretty thankless and I think he deserves a ton of credit for his combination of technical skills and focus on user experience. The gganimate package used for animating plots is also by him.