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Period: Jan 1, 1500 to
cell theory
from the recorded begining to today -
Jan 12, 1580
Discovery of carbon dioxide
Jan Baptista van Helmont(Belgian scientist)Jan baptist van Helmont recognized the existence of discrete gases and identified Carbon dioxide. -
Aug 6, 1580
The creation of the basic microscope
Zacharias Janssen - molecular expressionsZacharias Janssen created the basic compound microscope. -
The discovery of bacteria and the improved microscope lens
Antonie van Leeuwenhoe(Dutch scientist)--Encyclopedia BritticaAnton van Leeuwenhoek made a microscope with a 270X zoom lens and discoverd bacteria,yeast plants and the circulation of blood in a catepillar -
The first reflective microscope
Robert HookeRobert Hooke had invented many things, one of the things he made was the reflective microscope which would reflect light from the sun. -
The discovery of the insides of plant cells
Robert Brown(Scottish scientist)-- Encylopedia BritticaRobert Brown discovered the basic structure of plant cells and classified many of the different species of plants -
First idea of cell theory
Lorenz Oken-free dictionaryLorenz Oken speculated that plants and animals are made up of tiny living things called "Infusoria". -
The beta for cell theory
Matthias Jacob Scheldien(German botanist)Mathias Schleden hypothezised that plants were made up of cells and recognized the importance of the nucleus in a cell. -
Discovery of digestive enzymes
Schwann discovered the digestive enzyme pensin and suggested yeast were tiny plant life organisms. Also said cell theory applied to plants and animals -
The different microscopic techniques
Rudolf Albert von Koelliker(swiss embryologist)Albert von Koelliker discovered the different types of microscopic techniques like hardening, sectioning and staining. -
The man that made cell theory known
Rudolf Virchow biographyRudolf Virchow was credited for developing cell theory, and was called the "father of pathology"(the study of diseases, cells, nature, etc). -
The germ theory
Louis PasteurLouis pasteur had enhanced the original idea of the germ theory he also developed a vaccine to a chicken virus -
The scientific philosopher
Aristotle biographyAristotle was a greek philosopher that had classified animals into categories such as red-blooded animals and bloodless animals.
(side note he was born 384 B.C.E) -
Period: to
The origin of cell theory in the begining
