Treat Baldwin Johnson

Sheffield Scientific School chemistry class, 1898. Treat Baldwin Johnson is seated center, holding a copy of The New York Voice.

Treat Baldwin Johnson (1875-1947) was an American chemist, born at Bethany, Connecticut.

Biography

He graduated at Yale in 1898, where he also received his Ph.D. in 1901. He became an instructor of chemistry at the Sheffield Scientific School of Yale and in 1908 was advanced to the assistant professorship of organic chemistry of which branch he became full professor in 1915. He published papers on organic synthesis as applied to therapeutic substances, on phrenanthrene and its relation to morphine, an account of new local anæsthetics, histamin, tyramin, and cyclic polypeptids. In 1915, he received the Nichols medal of the American Chemical Society.

• This article incorporates text from an edition of the New International Encyclopedia that is in the public domain.