William Foege — American Scientist born on March 12, 1936,

William Herbert FoegeM.D., M.P.H. is an American epidemiologist who is credited with "devising the global strategy that led to the eradication of smallpox in the late 1970s"... (wikipedia)

Vaccines are the tugboats of preventive health.
People are beginning to understand there is nothing in the world so remote that it can't impact you as a person. It's not just diseases. Economists are now beginning to say if we are going to have good markets in Africa, we're going to have to have healthy people in Africa.
Nobody ever thanks you for saving them from the disease they didn't know they were going to get.
Science is beginning to catch up with global health problems.