Robert Hooke's drawing of cells in cork, 1665 In 1665, Robert Hooke examined a thin slice of cork under his microscope, and noticed a construction of modest enclosures. He wrote "I could exceeding plainly perceive it to get all perforated and porous, much like a Honey-comb, but the pores of https://maps.app.goo.gl/UmD5JM5ww6NgkMzV9