1779 ⟶ Photosynthesis Identified by Jan Ingenhousz

Photosynthesis was first discovered by Jan Ingenhousz

Year

1779

1842

1847

1877

1888

🌱 Photosynthesis Identified by Jan Ingenhousz

Photosynthesis was first discovered by Jan Ingenhousz⟶

Photosynthesis Identified by Jan Ingenhousz (1779)

BiologyBotanyEnlightenment

Austria

🔊 Christian Doppler Describes the Doppler Effect

Christian Doppler: Doppler effect.⟶

Christian Doppler Describes the Doppler Effect (1842)

PhysicsAstronomySoundLight

Austria

🧼 Semmelweis Proposes Hand Washing to Prevent Disease

Ignaz Semmelweis proposes hand washing as a way to stop the spread of diseases.⟶

Semmelweis Proposes Hand Washing to Prevent Disease (1847)

MedicinePublic HealthHygieneGerm TheoryMedical History

Austria

⚛️ Boltzmann Defines Entropy Statistically

Ludwig Boltzmann: Statistical definition of entropy.⟶

Boltzmann Defines Entropy Statistically (1877)

PhysicsThermodynamicsScientific RevolutionEnergyTheoretical Physics

Austria

🔬 Friedrich Reinitzer Discovers Liquid Crystals

Friedrich Reinitzer discovers liquid crystals.⟶

Friedrich Reinitzer Discovers Liquid Crystals (1888)

ChemistryPhysicsMaterials Science

Austria