Scientist Discovery

Girolamo Fracastoro

Aug 27, 1478

Subscribed to the philosophy of atomism, and disregarded appeals to hidden causes in scientific investigations in the 1500's.

Francesco Redi

Feb 18, 1626

Redi was the first scientist to challenge the theory of spontaneous generation by showing that maggots came from fly eggs.

Anton van Leeuwenhoek

Oct 24, 1632

Anton was known as the "Father of Microbiology." He is considered to be the first microbiologist. Well known for the improvement of the microscope and establishment of microbiology.

John Needham

Sep 10, 1713

Conducted several experimients that produced what is call spontaneous generation.

Edward Jenner

May 17, 1749

Young scientist who was the innovator and creator of the small pox vaccine in 1796. He tested the vaccine on two individuals who had cowpox lesions.

Theodor Schwann

Dec 7, 1810

Physiologist who contributed to the development of cell theory, the discovery of schwann cells and the periphial nervous system. He also contributed to the study of pepsin, organic nature of yest and invented the term metabolism.

Ignaz Semmelweiss

Jul 1, 1818

Disocvered that puerperal fever also known as childbed fever could be avoided by hand washing standards in hospitals and clinics in 1847.

John Tyndall

Aug 2, 1820

Became know for his study of diamagnetism. He also discovered in the realms of infrared radiation and the physical properties of air.

Louis Pasteur (pasteurization)

Dec 27, 1822

Well known for his discoveries of vaccination, microbial fermentation and pasteurization. He was a chemist and microbiologist.

Joseph Lister

Apr 5, 1827

Promoted the idea of sterile surgery and also introduced carbolic acid which was used to sterilize wounds and instruments during surgery.

Friedrich Schroder ,Theodor von Dusch

Aug 23, 1830

Demonstrated that a filter made of cotton-wool was effective in removing microbes such as bacteria from air.

Robert Koch

Dec 11, 1843

Known for finding identifiying specific agents of tuberculosis, cholers and anthrax. He is the founder of modern bacteriology.

Charles Chamberland

Mar 12, 1851

French microbiologist who created the Chamberland-Pasteur filter. He also worked with Pasteur to create a vaccine for chicken cholera.

Lazarro Spallanzani

Jan 10, 1929

Contributed to the discovery of bodily functions, animal reproduction and animal echolocation.

Oswald T. Avery, Colin M. MacLeod, and Maclyn McCarty

Aug 23, 2013

Conducted the transformation abililties of DNA in 1944.

Aristotle

Aug 27, 2013

Greek philosopher.