Though not as well-known as the man who gave his name to this process, Italian biologist Lazzaro Spallanzani (1729-1799,right) laid the groundwork for germ theory by showing that microbes do not just 'appear' spontaneously.
Though not as well-known as the man who gave his name to this process, Italian biologist Lazzaro Spallanzani (1729-1799,right) laid the groundwork for germ theory by showing that microbes do not just 'appear' spontaneously.