Walter Reed (1851–1902) was a pioneering American physician and army surgeon whose work confirmed the theory that yellow fever is transmitted by mosquitoes, specifically the Aedes aegypti species. This groundbreaking discovery was influenced by the earlier hypotheses of Cuban doctor Carlos Finlay. Serving as the head of the U.S. Army Yellow Fever Commission in Cuba,…
Carlos Finlay (1833–1915) was a Cuban physician recognized for his groundbreaking work in epidemiology, particularly his pioneering research on the transmission of yellow fever by mosquitoes. Born in Puerto Príncipe (now Camagüey), Finlay’s theory, first proposed in 1881, suggested that the Aedes aegypti mosquito was responsible for spreading the disease, contradicting prevailing beliefs. However, his…
Robert Koch (1843–1910) was a German physician and microbiologist whose groundbreaking work laid the foundation for modern bacteriology and earned him the Nobel Prize in Physiology or Medicine in 1905. Born in Clausthal, Germany, Koch’s pioneering research focused on identifying the causative agents of infectious diseases. In 1876, he discovered the bacterium responsible for anthrax,…
