In order to celebrate the 25th anniversary of its first version being released to the public, Batteman has published an article summarizing the history of MorphOS
You can read a machine-translated version here: English
The original French article can be found here: French
Thx Andre for the news If I can, I'll update it with some new informations (but I'm not in the secret of Gods, french expression, idk if this expression is "universal" ).