Nathaniel Smith was a computational fellow at BIDS, where he divided his time between computationally informed research on human cognition (esp. language processing) and on building better computational tools for researchers in general.
Stéfan van der Walt is a researcher at BIDS, where he leads the Software Working Group. He is the founder of scikit-image and co-author of Elegant SciPy. Stéfan has been developing scientific open source software for more than a decade, focusing mainly on Python packages such as NumPy & SciPy. Outside work, he enjoys traveling, running, and the great outdoors.