Robert Abercrombie Lovett (1895–1986) praises the employees of Rohm and Haas for their workmanship on B-25 aircraft, which contributed to a successful attack against Japanese forces.

The Rohm and Haas Company was…

James H. Doolittle (1896–1993) expressed his gratitude to the employees of Rohm and Haas for their contributions to the construction of bomber planes, which helped make a successful attack against Japanese forces…

Phoebe Waterman Haas (1882–1967) thanks Stanton C. Kelton for inviting her to the Army–Navy ‘E’ Award ceremony. The Army–Navy "E" Award was given to companies whose production facilities achieved "Excellence in…

Black and white group photograph featuring Otto Haas (1872-1960) with workers and their families at the Rohm and Haas plant in Bristol, Pennsylvania.

Sepia-toned photograph of Otto Haas' (1872-1960) office and Rohm and Haas.

The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through the partnership of German chemist Otto Röhm and German businessman…

Black and white photograph of Mr. Poppe, Otto Haas (1872-1960), and Mr. Kaullain in front of a tennis court with rackets.

Black and white photograph group photograph featuring Otto Haas (1872-1960) and friends visiting from Germany. Haas, the cofounder of Rohm and Haas is pictured second from the right.

Black and white photograph of Otto Rohm (1876-1939), co-founder of Rohm and Haas.

Illustration of the Rohm and Haas factory in Darmstadt, Germany.

The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through the partnership of German chemist Otto Röhm and German businessman Otto…

Black and white photograph of Otto Haas (1872-1960), cofounder of Rohm and Haas.

Black and white photograph of Otto Haas (1872-1960), cofounder of Rohm and Hass, and his wife Phoebe Waterman Haas (1882-1967).

Phoebe Haas was one of the first American women to earn her doctorate in astronomy in…

Black and white photograph of Otto Haas (1872-1960), co-founder of Rohm and Haas, leaving the office, located in Washington Square, Philadelphia, Pennsylvania.

Two views of exposure racks designed to test the weathering capabilities of varnishes and other products manufactured by the Rohm and Haas Company. The racks are positioned on the roof of the company's home office…

General view of exposure racks designed to test the weathering capabilities of varnishes and other products manufactured by the Rohm and Haas Company. The racks are positioned on the roof of the company's home office…

Street view depicting the exterior of the Rohm and Haas Company home office building located at West Washington Square in Philadelphia.

The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through the…

Series of photographs showing unidentified employees exiting the Rohm and Haas Company home office building located at West Washington Square in Philadelphia. These photographs were likely taken around the time the…

General view of a research laboratory for resinous products at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.

The Rohm and Haas Company was founded in 1907 in Esslingen,…

General view of an unidentified employee at work in a laboratory at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.

The Rohm and Haas Company was founded in 1907 in Esslingen,…

General view of the Varnish Laboratory at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.

The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through the…

General view of the Resin Research Laboratory at the Rohm and Haas Company home office located at West Washington Square in Philadelphia.

The Rohm and Haas Company was founded in 1907 in Esslingen, Germany through the…

General view of an exhibit panel on Plexiglas exhibited at the 1962 Rohm and Haas Company stockholders' meeting. The panel features samples of new colors and surface textures, as well as a photograph of the new Rohm and…

General view of an exhibit panel on exports of Rhoplex and Primal emulsions exhibited at the 1956 Rohm and Haas Company stockholders' meeting. The panel features a map highlighting where the emulsions are sold…

General view of an exhibit panel on agricultural chemicals, including fungicides, miticides, and emulsifiers, exhibited at the 1956 Rohm and Haas Company stockholders' meeting.

The Rohm and Haas Company was founded in…

General view of a series of exhibit panels displayed at the 1956 Rohm and Haas Company stockholders' meeting. The panels showcase acrylic emulsions manufactured by the company and their application in a number of…

General view of an exhibit panel on ion exchange resins exhibited at the 1956 Rohm and Haas Company stockholders' meeting. The panel features a diagram depicting the process of recovering uranium by ion exchange. The…