 Pier Giorgio Perotto in 1964 designed one of the first desktop programmable calculators, the Programma 101.In biology, Francesco Redi has been the first to challenge the theory of spontaneous generation by demonstrating that maggots come from eggs of flies and he described 180 parasites in details and Marcello Malpighi founded microscopic anatomy, Lazzaro Spallanzani conducted important research in bodily functions, animal reproduction, and cellular theory, Camillo Golgi, whose many achievements include the discovery of the Golgi complex, paved the way to the acceptance of the Neuron doctrine, Rita Levi-Montalcini discovered the nerve growth factor (awarded 1986 Nobel Prize in Physiology or Medicine).In chemistry, Giulio Natta received the Nobel Prize in Chemistry in 1963 for his work on high polymers.