AFTER KEKULE’S SNAKES. “I no longer think, I dream,” wrote Auguste Laurent (1807-1853) to his friend Charles Gerhardt in March of 1845. For the past eight days and eight nights, he reported, whenever he closed his eyes he saw what he called phantoms of the molecules he was working with dance before him and metamorphose into the phantoms of a different molecular form.”
https://www.tandfonline.com/doi/full/10.1080/00026980.2020.1867786