Portrait of Ira Remsen (1846-1927). Along with Constantin Fahlberg, Remsen discovered the artificial sweetener saccharin in 1879.

A native of New York City, Remsen received his M.D. from the Columbia University…

This Exhaust Analyzer became one of Beckman Instruments' products when the company acquired Liston-Becker in 1955. It detects pollutants in the exhaust from vehicles with combustion engines.

View of employee William White examining a Weather-O-Meter at the Althouse Chemical Company Customer Service and Quality Control Laboratory in Reading, Pennsylvania. To the left of the Weather-O-Meter are two…

View of a chemist checking the specific gravity of a sample of essential oil at the Norda Company plant in Boonton, New Jersey.

View of the spice stills at the Norda Company plant in Boonton, New Jersey.