= MathDoctorBob
{c}
{title2=Robert Donley}
https://www.youtube.com/user/MathDoctorBob/videos
He got so old from 2012 to 2021 :-)
This dude did well. If only he had <OurBigBook.com>[written a hyperlinked wiki rather than making videos]! It would allow people to jump in at any point and just click back. It would be Godlike.
https://mathdoctorbob.org/About.html says:
> Robert Donley received his doctorate in Mathematics from Stony Brook University and has over two decades of teaching experience at the high school, undergraduate, and graduate levels.
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