Using a broad range of experiments ranging from sealed and open meat incubation and the close study of insect reproduction he became, by the 1680s, convinced that spontaneous generation was incorrect.
Koristeći razne eksperimente - od otvorene i zatvorene inkubacije mesa do detaljnog proučavanja razmnožavanja kukaca - do 1680-ih je postao siguran da je ideja spontane generacije netočna.