Cooke, Josiah Parsons, Jr.

Cooke, Josiah Parsons, Jr.

(1827–94) chemist, educator; born in Boston, Mass. As a professor at Harvard (1849–94), he legitimized the practice of lab instruction in chemistry combined with demonstration experiments and is considered the founder of Harvard's department of chemistry. His own specialty was the classification of elements by atomic weights.
The Cambridge Dictionary of American Biography, by John S. Bowman. Copyright © Cambridge University Press 1995. Reproduced with permission.