John Dill Robertson He's known as "Dill Pickle" by some in his department, by some of his followers. He is Dr. John Dill Robertson, public health director for the city of Chicago, Illinois. On this day, Day 9 of the Influenza Pandemic (September 16, 1918), Dr. Robertson announces to the people of Chicago that influenza is now a reportable disease. Big deal? Honestly, yes, it is for the folks in … [Read more...]