Good point and strongly agree. John Baez [0] also merits mention as the originator of Azimuth and the creator of the Applied Category Theory course [1] on the back of Fong & Spivak's paper [2].

[0]https://www.azimuthproject.org/azimuth/show/John+Baez [1]https://forum.azimuthproject.org/discussion/1717/welcome-to-... [2]http://math.mit.edu/~dspivak/teaching/sp18/7Sketches.pdf