General view of an unidentified employee filing circular saws in the sawmill at the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic,…

Close-up view of a newly-installed reproduction of the Dow Chemical Company's diamond emblem on the roof of the South Power Station at the Company's headquarters in Midland, Michigan. An unidentified Power Division…

Three views of the installation of a new sign on the roof of the South Power Station at the Dow Chemical Company's headquarters in Midland, Michigan. Installed in 1950, the sign measured 217 feet long and was visible to…

General view of an unidentified man posed with a sculpture of Paul Bunyan carved out of Styrofoam. Invented in 1941 by researchers in Dow's Chemical Physics Lab, "Styrofoam" properly refers to the Dow Chemical Company’s…

General view of a young boy posed with a ball and baseball bat made out of Styrofoam. Invented in 1941 by researchers in Dow's Chemical Physics Lab, "Styrofoam" properly refers to the Dow Chemical Company’s trademarked…

General view of two unidentified women posed behind a work bench with assorted objects made out of Styrofoam. Both women are wearing Styrofoam fascinators and an audience is visible in the background, indicating the…

General view of Dow Chemical Company engineer Ray McIntire (1918-1996) posed with a Santa Claus figurine carved out of Styrofoam. McIntire invented foam polystyrene in 1941 while working in Dow's Chemical Physics Lab.…

General view of a female model posed on a log of Styrofoam situated on an unidentified body of water. Likely used in advertisements and promotional materials, this scene was designed to emphasize the buoyant and…

General view of an unidentified employee examining assorted pieces of Styrofoam at a Dow Chemical Company facility. Invented in 1941 by researchers in Dow's Chemical Physics Lab, "Styrofoam" properly refers to the Dow…

General view of an unidentified worker transporting a log of Styrofoam at a Dow Chemical Company facility. A sign for Building 2-432 is visible in the background.

Invented in 1941 by researchers in Dow's Chemical…

General view of a young boy posed holding a block of Styrofoam over his head to demonstrate the product's buoyant and lightweight properties.

Invented in 1941 by researchers in Dow's Chemical Physics Lab, "Styrofoam"…

Portrait of Dr. Sylvia Stoesser (1901-1991), the first female Ph.D. chemist employed at the Dow Chemical Company.

Sylvia Stoesser (nee Goergen) was born on July 18, 1901 in Buffalo, New York and earned her B.S. in…

Photograph of Dr. Bettye Washington Greene (1935-1995), believed to be the first African-American female chemist employed to work in a professional position at the Dow Chemical Company.

Bettye Greene was born on March…

General view of chemist Delores Horne analyzing the active constituent of a weed killer in the Dow Chemical Company's Analytical Laboratory located in Midland, Michigan. Per a notation accompanying the photograph, Ms.…

General view of employees at work in the main laboratory at the Dow Chemical Company facilities located in Midland, Michigan. Assorted laboratory glassware and apparatus are visible throughout the laboratory.

General view of plant pathologists Richard Gruenhagen (left) and Jack Hardy (right) at work in the Dow Chemical Company's Agricultural Research Laboratory in Seal Beach, California.

Promotional photograph for Dow Handi-Wrap sandwich bags with view of a model demonstrating the new easy-to-use magic dot box packaging. Introduced in the 1960's, Dow Handi-Wrap was an economy plastic wrap specifically…

General view of an unidentified employee inspecting a saran bubble as it is extruded from a machine during the production of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, the film…

Elevated view of employees at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. During production, saran film was trimmed and wound into so-called inventory rolls, such as…

General view of saran bubbles being extruded from rolling machines during the production of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, the film passed through a series of…

General view of an unidentified female employee at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. The employee appears to be using a type of press to smooth lengths of saran…

General view of an unidentified employee at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. Saran plastic is seen passing through some type of bath or wash by virtue of a…

General view of two unidentified employees at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. The employees are seen stretching a length of film between two rollers. During…

General view of employees at work in the Dow Chemical Company's saran film manufacturing facilities in Midland, Michigan. Initially developed for the U.S. Army to wrap arms and equipment for transport during World War…

Group photograph of executives of the Cliffs Dow Chemical Company, a subsidiary of the Dow Chemical Company located in Marquette, Michigan. Several of the individuals are dressed in mining gear and the group is posed…