Chemist who was research director of the soys products and later established his own labatory and is credited with synthesis of physostigmine for treatment of glacoma, the female sex hormone progesterone, and a soybean sterols compound.

" 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.