Blog: John McMaster: The World's First Clear - 2014-08-09
John McMaster was declared the world's "First Clear" on March 9, 1966. There had been other clears, most notably Sonia Bianca, the actual "First Clear." However, L. Ron Hubbard had purged her from Church history.
Below is the Church of Scientology's 1968 PR article on John McMaster — look for the added bonus on "Galactic Trading and Ethnic Advancement" using "doll bodies" on pages four and five: