Louis Pasteur

New Capabilities

Deceased (1822-1895)

For most of human history, the average person could expect to live about 30 years. Two centuries of accumulated advances—clean water, sanitation, vaccines, antibiotics, nutrition, and poverty reduction—have more than doubled that figure to 72 years globally. The change is so comprehensive that the global average today exceeds what the healthiest country achieved in 1950.

Updated May 22

New Capabilities

Died 1895; foundational figure in germ theory

In 1900, one in seven babies born in the United States or United Kingdom died before their first birthday. By 2017, the rate had fallen to roughly 4-6 per 1,000—a decline exceeding 95%. This transformed how families experience childbirth and early childhood.

Updated May 22