jan 1, 1882 - Tobacco Mosaic Disease Adolf Mayer's work on the tobacco mosaic disease played an important role in the discovery of viruses. He studied the disease that was affecting tobacco plants and published a paper on it. However, he didn't come up with the concept of a virus and instead thought it was some sort of bacteria. Source - Date accessed: https://en.wikipedia.org/wiki/Adolf_Mayer - 28/09/2018
Added to timeline:
Date:
jan 1, 1882
Now
~ 144 years ago