Metamorphosis

• Maria Sibylla Merian started to observe caterpillar cocoons and make drawings of those at the age of 13. Nineteen years later, she published her first book in which she layed out the principle of metamorphosis and illustrated it with a lot of her drawings. You'll find ideas on how Sibylla's idea make drawings of caterpillars and butterflies may have emerged in
  Sibylla and the cocoons