https://www.smithsonianmag.com/smithsonian-institution/you-should-thank-maurice-hilleman-helping-you-live-past-age-10-180965369/

Virologist Maurice Hilleman dedicated his life to creating vaccines to eradicate childhood illnesses. By the time of his death in 2005 at the age of 85, he had developed more than 40 vaccines including Measles Mumps and Rubella (MMR), chickenpox, meningitis, pneumonia, hepatitis A and hepatitis B. Hailed y the Smithsonian Institution as the “Greatest Scientist of the 20th Century”, this podcast and article tells his story.