Francesco Redi was an Italian physician, naturalist, and poet. He was the first scientist to challenge the theories of spontaneous generation by demonstrating that maggots come from eggs of flies.
Antonie Philips van Leeuwenhoek was a Dutch tradesman and scientist. He is commonly known as "the Father of Microbiology", and considered to be the first microbiologist.
Edward Jenner, FRS was an English physician and scientist who was the pioneer of smallpox vaccine, the world's first vaccine.
was an English physician and a leader in the adoption of anaesthesia and medical hygiene. He is considered one of the fathers of modern epidemiology, in part because of his work in tracing the source of a cholera outbreak.
Ignaz Philipp Semmelweis was a Hungarian physician of German extraction now known as an early pioneer of antiseptic procedures.
Louis Pasteur was a French chemist and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization.
Joseph Lister also known as Sir Joseph Lister, was a British surgeon and a pioneer of antiseptic surgery.
Robert Koch was a celebrated German physician and pioneering microbiologist. The founder of modern bacteriology, he is known for his role in identifying the specific causative agents of tuberculosis, cholera, and anthrax and for giving experimental support for the concept of infectious disease
Andrew Flemming was a Scottish biologist, pharmacologist and botanist. He wrote many articles on bacteriology, immunology, and chemotherapy. His best-known discoveries are the enzyme lysozyme in 1923 and the antibiotic substance penicillin from the mould Penicillium notatum in 1928.