Who created the Order of the Royal Secret?

Stephan Morin; around 1763 Morin created and promulgated a Masonic Rite of 24 Degrees which he called the "Order of the Royal Secret" or "Order of Prince of the Royal Secret" (sometimes mistakenly called the "Rite of the Perfection") This Order included many of the most popular degrees worked at the time.

Page 102 of the 3rd Edition of the "Scottish Rite Ritual - Monitor and Guide" by Arthuro De Hoyos