Evolution of the English Alphabet
Matt Baker: Fyi, the above chart was actually just a simplified promo for a much larger chart – a Writing Systems of the World poster. So, if you’re concerned about the fact that thorn, wynn, or any other letters are missing, rest assured that they were indeed included on the main chart.
History of the Alphabet
This video covers the history of the English (i.e. modern Latin) alphabet from the ancient Proto-Sinaitic symbols, through the Phoenician, Greek, Roman, and medieval letters, to the 26 letters used today.