Why Lymphatic Massage Is The Unsung Hero Of Your Body Unsung heroes. There are many. Take microbiologist Maurice Hilleman for example. He developed over 40 vaccines in his lifetime (including measles, mumps, Hep A and B and meningitis) and is attributed as saving more lives than anyone else in the history of our planet. Have you ever heard of him? Sadly, unless you’ve studied medicine, you’re unlikely to ever have come across his name.