William Rosen
More from William Rosen
![How the first broad-spectrum antibiotic emerged from the Missouri dirt](https://www.popsci.com/wp-content/uploads/2019/03/18/CTVGRCMWO4M6LTQTHRNBEB6PSQ.jpg?w=675)
Health
How the first broad-spectrum antibiotic emerged from the Missouri dirt How the first broad-spectrum antibiotic emerged from the Missouri dirt
By William Rosen
May 16, 2017
By William Rosen
May 16, 2017