Gregory Tyson

Gregory Tyson is a third-year graduate student in the Driskill Graduate Program at Northwestern University. He is pursuing a PhD in microbiology, focusing on how the bacterium Pseudomonas aeruginosa causes pneumonia. He works particularly on the type III secretion system, which injects bacterial toxins into human cells.


Content by Gregory Tyson

Staphylococcus aureus


“When I woke up just after dawn on September 28, 1928, I certainly didn’t plan to revolutionize all medicine by discovering the world’s first antibiotic, or bacteria killer. But I suppose that was exactly what I did.”