Lewis Walch teaches TM in North Manchester and was trained by Maharishi Mahesh Yogi in Switzerland in 1974. The eldest of 11 he says: "Only with TM could you successfully meditate in a house full of children." He also started a family business with two of his brothers in 2010. "If you are running a business," he says, "you need Transcendental Meditation to maintain your health and energy levels, boost your creativity and stay stress-free.