The chemist we are looking for is one of the major pioneers in the study of photosynthesis. He showed that plants use sunlight to convert the CO₂ absorbed from the environment into carbon compounds during photosynthesis, and that they absorb mineral substances from the soil.

At the age of 20, he confirmed Boyle’s law by a new method during an ascent of Mont Blanc. In one of his numerous other studies, he investigated anethole or anise camphor, an aromatic compound found in anise and fennel.

 

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