The first principle with this name was stated by Brandon Carter in the 1970
The first principle with this name was stated by Brandon Carter in the 1970s, and other versions of his include the participatory, which holds that a quantum event is not actualized until it is observed and applied to the universe.  Carter's version states that conditions for the development of intelligent life exist only in regions that are limited in spacetime.  With weak and strong versions, FTP, name this principle paraphrased by Stephen Hawking as "We see the universe the way it is because we exist."
The first principle with this name was stated by Brandon Carter in the 1970s, and other versions of his include the participatory, which holds that a quantum event is not actualized until it is observed and applied to the universe.  
anthropic principle (accept weak anthropic principle before "participatory")