The biochemical phase of photosynthesis was first discovered by .........

Who discovered that green plants take in $CO_2$ and release $O_2$?

$...........$ demonstrated that photosynthesis is essentially a light-dependent reaction in which hydrogen from a suitable oxidizable compound reduces carbon dioxide to carbohydrates.

Who demonstrated that photosynthesis is essentially a light dependent reaction in which hydrogen from a suitable oxidisable compound reduces $CO_2$ to carbohydrates?

The oxygen produced during photosynthesis comes from the photolysis of water was first proved by:

Which scientist performed the experiment where a burning candle and a mouse were placed in a closed bell jar to demonstrate the role of air in the growth of plants?