History of Microbiology

Question 1

observed and described bacteria, free-living and parasitic microscopic protists and many others which he called “animalcules”

Answer 1

1673 Antoni Van Leewenhoek

Question 2

advocated washing of hands to stop the spread of disease.

Answer 2

1850 Ignaz Semmelweis

Question 3

discovers first antibiotic,penicillin.

Answer 3

1929 Alexander Fleming

Question 4

introduced the agar plate as a solidifying gel for the culturing medium for bacteria.

Answer 4

1882 Walther and Fanny Angelina Hesse

Question 5

Devised gram staining

Answer 5

1884 Hans Christian Gram

Question 6

mounted two lenses in a tube to produce the first compound microscope.

Answer 6

1590 Hans and Zacharias Janssen

Question 7

known for his discovery of cells.

Answer 7

1665 Robert Hooke

Question 8

proposed that germs are the cause of diseases. He published the theory that infectious diseases are caused by living microscopic organisms.

Answer 8

1840 Friedrich Gustav Jacob Henle

Question 9

discovered and demonstrated fundamental differences between viroids and viruses

Answer 9

1971 Theodor Diener

Question 10

Italian physician, who proposed a scientific “Germ Theory of disease,” that suggest that invisible organisms may cause diseases

Answer 10

1546 Girolamo Francastoro