1838 ⟶ Matthias Schleiden Proposes Plant Cells Theory
Matthias Schleiden: all plants are made of cells.
Year
1828
1838
1856
1858
1865
🧪 Wöhler Synthesizes Urea, Dismantling Vitalism
Friedrich Wöhler synthesized urea, refuting vitalism.⟶
ChemistryScientific RevolutionModern Science
Germany🌱 Matthias Schleiden Proposes Plant Cells Theory
Matthias Schleiden: all plants are made of cells.⟶
BiologyCell TheoryBotanyScientific RevolutionMicroscopy
Germany🔭 Friedrich Bessel Measures Stellar Parallax
Friedrich Bessel: first successful measure of stellar parallax (to star 61 Cygni).⟶
AstronomyPhysicsScientific RevolutionObservational AstronomyStarsMeasurement
Germany🦴 Neanderthal Fossils Identified
Neanderthal man first identified. Age still unknown.⟶
PaleontologyAnthropologyHuman EvolutionFossil Discovery19th Century ScienceScientific Revolution
Germany🔬 Virchow Proposes All Cells Originate from Pre-existing Cells
Rudolf Virchow: cells can only arise from pre-existing cells.⟶
Cell TheoryBiologyScientific RevolutionMicroscopyMedicine
Germany