LOS ANGELES -- Pioneering meditation teacher Nancy Cooke de Herrera has died. She was 90.
Maria Luisa de Herrera says her mother died Feb. 28.
She studied meditation in India in 1968 alongside Mia Farrow and the Beatles and taught the practice for the remainder of her life. She published a memoir in 2003 about her time in India. Deepak Chopra wrote the introduction.