THEHISTORYOFCELLSRoel R. Maraya

Robert Hooke (1665 )

     Studied cork tissue and found tiny boxes and named it "cells".

     The tiny boxes seen by Robert Hooke through a

homemade microscope particularly a Compound

Microscope.

Robert Hooke's Compound Microscope

In 1831, Scientists observed the nucleus of a cell and named it "little nut".

Matthias Schleiden (1838)

oa German Botanistostudied a variety of plant tissues and found out that every type was made of many cells.

Theodor Schwann (1839)

•studied all animal tissues and found out that every type was made of cells too.

German Zoologist

C ELLTH EO R Y

    This states that cells are building blocks of

life and that cells come from other cells. 

Louis Pasteur (1857)

•a studied single-celled microorganisms

•developed Pasteur's Germ Theory that changed medicine

French chemist and microbiologist

Examples ofMicroorganism

Pasteur's Contributions:

•development of vaccination•made the first vaccine against rabies

    

1940s Development

•scientists develop antibiotics•penicillin was discovered to

fight bacterial infections

People in Science

Gary Sayler

• a Beaman Distinguished Professor of Microbiology.

• studies how microbes (another name for microorganisms) live and how they interact with other living things.

1857183918381665 1831

Robert Hooke names the cell

Scientists named the nucleus “little nut”.

Schleiden studied plant tissues

Schwann studied animal tissues

Pasteur researched on single-celled organisms

1997

Development of vaccination

First cloned organism

present

That's all for now. Thank You!