Maurice Hilleman, American microbiologist and vaccinologist (d. 2005)

Maurice Ralph Hilleman (August 30, 1919 – April 11, 2005) was a leading American microbiologist who specialized in vaccinology and developed over 40 vaccines, an unparalleled record of productivity. According to one estimate, his vaccines save nearly eight million lives each year. Many have described him as one of the most influential vaccinologists of all time.Of the 14 vaccines routinely recommended in current American vaccine schedules, Hilleman and his team developed eight: those for measles, mumps, hepatitis A, hepatitis B, chickenpox, Neisseria meningitidis, Streptococcus pneumoniae and Haemophilus influenzae bacteria. During the "1957-1958 Asian flu pandemic", his vaccine is believed to have saved hundreds of thousands of lives. He also played a role in the discovery of antigenic shift and drift, the cold-producing adenoviruses, the hepatitis viruses, and the potentially cancer-causing virus SV40.