What was the founder of the Material World Charitable Foundation often referred to as?
Material World Charitable Foundation: The Material World Charitable Foundation (MWF) is a charitable organisation founded by English musician George Harrison in April 1973. George Harrison:  Often referred to as "the quiet Beatle", Harrison embraced Hinduism and helped broaden the horizons of his fellow bandmates as well as their American audience by incorporating Indian instrumentation in their music.
the quiet Beatle