"The more intense the craze. The higher the intellect that succumbs to it." You may have been surprised by a normal, well-balanced friend or family member getting caught up in an investment bubble. In the past 20 years, we had booms and busts in dot-com stocks, real estate, and most recently - the Bitcoin madness. This article looks at the investment habits of Issac Newton, who was one of the greatest scientific minds of our time. While he is credited with developing the reflecting telescope, calculus, and the laws of motion, he struggled to avoid market bubbles.