The correct option is D Helmont
Jan Baptist van Helmont carried out an experiment to show the production of mice in 21 days from a dirty shirt placed in contact with kernels of wheat, to prove that life originated form inorganic substances. Aristotle was also a strong believer of the theory of spontaneous generation. Francesco Redi is famous for disproving this theory through his meat and maggot experiments, while Louis Pasteur is widely recognised for his wonderful work on the theory of biogenesis.