Cell Theory

Zacharias Jansen inventing first compund microscope

Jan 1, 1595

Without the microscope people would never be able to see cells.

Jan Baptist van Helmont discrete gases and identified carbon dioxide.

Jan 1, 1634

Without this people would be able to identify carbon dioxide

Robert Hooke the construct of the Baylean air pump

Jan 1, 1655

Without the air pump people wouldn't be able to pump air

Robert Hooke construct of Law of Elasticity

Jan 1, 1660

Law of Elasticity states that the stretching of a solid body is proportional to the force applied to it. Without this people wouldn't be able to study the stress and strain and understanding of elastic material.

Anton van Leeuwenhoek first to observe bacteria and protozoa

Jan 1, 1674

Without his observations doctors wouldn't be able to view bacteria and protozoa

Robert Brown the cell nucleus in cell of the orchis

Jan 1, 1833

Wouldn't be able to examine cell nucleus

Theodor Schwann of animal structure

Jan 1, 1838

Without this we wouldn't be able to examine the structures of animals.

Matthias Schleiden cell theory

Jan 1, 1838

wouldn't be able to examine cell theory

Albrecht von Roelliker realized sperm cells and egg cells are also cells

Jan 1, 1840

wouldn't know what caused reproduction.

Louis Pasteur microbiology

Jan 1, 1860

Discovered microgranisms cause fermentation and disease originated the process of the pasteurization.

Rudolf Virchow Cell Theory

Jan 1, 1865

Wouldn't be able to explain the effects of disease in the organs or tissues in general, but primarily in their individual cells.

Aristotle author of a philosophical and scietific system that became the framework and vehicle

Nov 24, 1876

wouldn't be able to work vehicles

Lorenz Oken significance of life

Jan 1, 1987

Which they believed to be derived from a vital force that could not be understood totally through scientific means