Robert Hooke's drawing of cells in cork, 1665 In 1665, Robert Hooke examined a skinny slice of cork underneath his microscope, and observed a framework of modest enclosures. He wrote "I could exceeding plainly understand it to generally be all perforated and porous, very similar to a Honey-comb, but that https://maps.app.goo.gl/UmD5JM5ww6NgkMzV9