I remember, as a boy of 17 years of age, this was a fascinating thing for me: how we human beings breathe out carbon dioxide into the air, the leaves of plants pick this carbon dioxide up, and the plant gives off oxygen, which we can breathe in and keep our life going.

Percy Julian


Author Profession: Businessman
Nationality: American
Born: April 11, 1899
Died: April 19, 1975


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