Historical Events on July 27
Birth of José Celso Barbosa (1857)
On July 27, 1857, Puerto Rican physician and sociologist José Celso Barbosa was born. He is notable for initiating an early form of health insurance, advocating for employers to contribute a fee that would cover the future health needs of their employees.
Birth of Herbert Jasper (1906)
On this day in 1906, Canadian psychologist, physiologist, and anatomist Herbert Jasper was born. His research primarily focused on the pathophysiogenesis of epilepsy, contributing significantly to the understanding of this neurological condition.
Insulin Discovery (1921)
On July 27, 1921, a team of researchers led by Frederick Banting at the University of Toronto made a groundbreaking discovery. They proved that the hormone insulin plays a critical role in regulating blood sugar levels, a finding that would revolutionize diabetes treatment.