Scientist

Question 1

Zaccharias Janssen and his son Hans:

Answer 1

Dutch spectacle makers who invented the microscope

Question 2

Leeuwenhoek (17th century):

Answer 2

FATHER of microbiology. First to observe and describe microorganisms with an early microscope.

Question 3

Hooke:

Answer 3

Discovered “cell” in cork slices

Question 4

Schwann and Schleiden:

Answer 4

Cofounded basic cell theory:
1. Organisms are composed of one or more cells
2. Cells are the basic unit of all life.

Question 5

Virchow:

Answer 5

Contributed to cell theory: 3. All cells arise form preexisting cells (biogenesis)

Question 6

Bassi:

Answer 6

Showed that fungus caused a disease in silkworms –> Germ theory of disease

Question 7

Louis Pasteur (5)

Answer 7

• Swan-neck flask experiment
• Vaccines for anthrax, rabies, and chicken cholera
• Discovery of endospores
• Industrial Microbio and Microbial ecology (wine)
• Pasteurization

Question 8

Tyndall: (2)

Answer 8

Discovered that dust carries microorganisms.

Question 9

Lister: (3)

Answer 9

• Listeria named after him
• Developed a system of sterile surgery
• Developed Listerine mouthwash

Question 10

Koch: (2)

Answer 10

• Nobel prize for the discovery of the cause of tuberculosis
• Agar plates

Question 11

Koch’s Postulates (1800s): (4)

Answer 11

1. Organism are in animals with diseases and not present in healthy animals
2. Organisms must be grown in a pure culture
3. When inoculated into a healthy animal, the animal must develop symptoms
4. The organism must be re-isolated from the infected animal to prove its the same isolate

Question 12

Jenner:

Answer 12

Father of Immunology. Invented variolation to protect individuals from smallpox –> vaccines

Question 13

Alexander Fleming:

Answer 13

• 1927, accidentally discovered penicillin