The chemist August Kekulé was thinking of how benzene arranged its 6 carbon and hydrogen atoms. Thinking with regard to the problem, he dozed off, and dreamt of dancing atoms that fell into a snakelike sample, which led him to discover the benzene ring. As Kekulé wrote in his diary, https://tarotdelamor62605.bloginder.com/29307251/a-review-of-originality