The chemist August Kekulé was looking at how benzene arranged its 6 carbon and hydrogen atoms. Thinking concerning the problem, he dozed off, and dreamt of dancing atoms that fell into a snakelike pattern, which led him to find out the benzene ring. As Kekulé wrote in his diary, one. https://claytonngxnd.popup-blog.com/28278801/everything-about-disruptive-innovation