That video is actually part of a series on D, seems to be associated with UVU - Utah Valley University - in some way. There are other videos in the series, such

That video is actually part of a series on D, seems to be associated with UVU - Utah Valley University - in some way. There are other videos in the series, such as by Walter Bright (creator of D), Andrei Alexandrescu and Adam Ruppe. Checking them out over time.