- Giovanni "Gianni" Bellono, programmer par excellence. Gianni has been tireless at solving innumerable coding, performance, and styling issues. His countless contributions have been crucial to the success of this site.
- Jeffrey Lapides, for decades of friendship and endless discussions about probability theory, machine learning, and knowledge discovery in the "real world." Jeff has a special talent of finding the most salient trees in the forest.
- Ramon Barquin, one of the founders of data warehousing and knowledge management practices, who through my 14 years with Barquin International supported many experiments with cutting-edge technologies, and provided the support for my work with Jeff Lapides on our Mathematica version of a Topic Explorer.
- Chris Arasin, for his excellent work bulding the animated tutorial.
- Mike Bostock, Jeffrey Heer and the many other contributors over the years to the awesome D3.js data visualization ecosystem, which now includes the UW Interactive Data Lab spawning of Vega and Vega-lite and a slew of other impressive open source projects.