Before Maria, naturalists thought that caterpillars and butterflies were separate from one another. She became the first to theorize that bugs actually went through a life cycle and changed through metamorphosis. She went on to publish several books on her findings.
Emilie Du Chatelet1706-1749
Maria was a child prodigy that wanted to become a nun. To appease her father, she practiced her math and published a two-volume textbook covering algebra, geometry, and calculus. She is also credited with the "Witch of Agnesi" math problem.
While in Sicily, Jeanne decided to catalog the various wildlife around her. In order to keep the aquatic life alive, she created a box that could mimic their ecosystem- the first known concept of an aquarium.
She is famous for writing the only known translation (at the time) of a book originally written by Sir Isaac Newton. She also published her own comprehensive book of physics fundamentals.
Mary and her brother discovered the world's first ichthyosaur fossil as young children. Mary spent the rest of her life finding bones to sell to scientists. Her work was not recognized until after her death.