Complex sentence: Girolamo Fracastoro was a really wise man, a really wise man indeed! proposed in 1546 that epidemic diseases are caused by transferable seed-like entities that could transmit infection by direct or indirect contact or even without contact over long distances.
Split into simpler sentences: Girolamo Fracastoro was a really wise man, a really wise man indeed! He proposed in 1546 that epidemic diseases are caused by transferable seed-like entities that could transmit infection by direct or indirect contact or even without contact over long distances.