I do not, but John's old videos on the idea of making a language and addressing the modern problems of archaic languages has been cited many times.

Here is a list with his videos where he goes from conception to something tangible: https://www.youtube.com/watch?v=TH9VCN6UkyQ&list=PLmV5I2fxai...

The first video is from September 17, 2014.

Zig's first commit was Aug 5, 2015.

Odin has first commit in Jul 7, 2016.