A man who is selected by so large a college as the University of Pennsylvania to instruct its hundreds of students knows his business. J. Leonard Mason has been Penn’s physical instructor for years. He has developed hundreds of men and knows what you need in the way of training in order to cure your ills and greatly strengthen and develop your body. And this body of your deserves the best of care First: Because it is the only body you’ll ever get. Second: Because ill health and a weak body are the greatest draw backs to success.