Jack Hatfield:
RAIN: recognition, acceptance, investigation, and non-identification. It is a way to look at vipassana meditation. Recognition: I am aware of the itch on my nose. Acceptance: I will accept the itch as it is without avoiding it. Investigation: I will look closely at the itch. I might see it vibrate or turn into a desire to scratch it, for example. Non-identification: the itch is not me. It is an object experienced by...
I don't know who came up with it.
jack
Michele McDonald.