Spontaneous generation

  • Francesco Redi

    Francesco Redi
    He was an Italian doctor and poet, At that time, it was believed that maggots emerged spontaneously in rotting meat, He to prove that spontaneous generation was wrong, he set up an experiment.
  • John Needham

    John Needham
    In 1745, an English clergyman named John Needham claimed that spontaneous generation could occur.
    and performed what he considered the definitive experiment, and he concluding that spontaneous generation was a fact and contradicting Redi’s conclusions.
  • Lazzaro Spallanzani

    Lazzaro Spallanzani
    Lazzaro Spallanzani an Italian priest, disagreed with Needham's conclusions,
    and performed hundreds of carefully executed experiments using heated broth.
  • Louis Pasteur

    Louis Pasteur
    Louis Pasteur in 1864 recounted his famous swan-neck flask experiment: “life is a germ and a germ is
    life. Never will the doctrine of spontaneous generation recover from the mortal blow of this simple
    experiment." To Pasteur's credit, he never did.