Penelope Fenner-Crisp grew up in the suburbs of Milwaukee, Wisconsin, one of two children. Her father changed jobs frequently; her mother was a housewife until Fenner-Crisp was nearly through high school. The family all…

James Feeney grew up in Philadelphia and earned degrees in chemical engineering and biological sciences. He became a remedial project manager for the US Environmental Protection Agency (EPA). The Ambler asbestos piles…

Robert Adams grew up in Gladwyne, Pennsylvania, always interested in the outdoors. As a student at the Ambler campus of Temple University with a major in urban studies and environmental science, he became familiar with…

Susan Curry moved to Ambler, Pennsylvania in 1998. Wanting to live sustainably, she joined Alliance for a Sustainable Future, took a master's degree in environmental studies and psychology, and joined the newly founded…

Color plate illustration depicting a man and young boy operating machinery used to fill bottles with artificial mineral waters.

This plate is from John Howard Appleton's (1844-1930) Chemistry, Developed by Facts and…

Group photograph depicting United States President John F. Kennedy (center) pushing a button to activate the nation's first salt-water conversion plant located at the Dow Chemical Company facility in Freeport, Texas.…

Illustration depicting the manufacture of seltzer or soda water by use of a wheel to force gas into bottled water.

Laboratory notebook used by Clara Esther Hartley during a high school-level chemistry class in Troy, Ohio. The notebook details approximately 115 experiments performed by Hartley, ranging from fundamental investigations…

Kathryn C. Hach-Darrow begins the interview with anecdotes of Clifford C. Hach as a young, inquisitive child growing up on a farm and the effects of the Great Depression on the Hach family. Despite financial…

Allegorical illustration of a woman resting on rocks jutting out of water representing the element of water.

This illustration comes from the chemical catalog for the Grasselli Chemical Company in Cleveland, Ohio. It…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of a hand lifting a winged ingot of magnesium from the sea while…

Color print advertisement for the Dow Chemical Company's Magnesium Division. The advertisement features an illustrated depiction of a hand lifting a winged ingot of Dowmetal magnesium from the sea. The accompanying text…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of two ships floating on a cube of seawater with a view of the sea…

Color print advertisement for Dowmetal, a magnesium alloy manufactured and sold by the Dow Chemical Company. The advertisement features waves moving across the sea, with accompanying text commemorating Dow's production…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement depicts a group of pirates digging for buried treasure, with accompanying text summarizing Dow's…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of a hand lifting a winged ingot of magnesium from the sea while…

Color print advertisement for magnesium alloys manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of a hand lifting a winged ingot of magnesium from the sea, as well…

Color print advertisement for ion exchange resins manufactured and sold by the Dow Chemical Company for water purification and other uses. The advertisement depicts a mother and son peering into a bathtub. The…

Color print advertisement for the Texas Division of the Dow Chemical Company. The advertisement features an outline of the state of Texas with a cube of seawater rising from the center. The accompanying text details the…

Print advertisement for Dowmetal, a magnesium alloy manufactured and sold by the Dow Chemical Company. The advertisement features an illustrated depiction of seawater, with accompanying text detailing the history of Dow…

Entitled "A Simple Chemical Change," photographic reproduction depicts a lump of quicklime in the top photograph with the middle photograph exhibiting steam emitting from the lump as a result of the addition of water. …

Entitled "A Wonderful Ceiling," photographic reproduction depicts the Ballroom of stalactites found within the Luray Caverns in Luray, Virginia. Accompanying text describes how stalactites are formed by chalk-filled…

Entitled "A Wonderful Result of Prolonged Chemical Action," photographic reproduction depicts stalactites and stalagmites in the caves at Cheddar, Somerset, England. Accompanying text describes how the growths are a…

Entitled "A Striking Feature of Modern Aluminum Works," photographic reproduction depicts water pipelines traversing a hillside in Kinlochleven in Argyllshire, Scotland. Accompanying text states how water power is used…

Map illustrating the Wachusett, Sudbury and Cochituate watersheds with the reservoirs, aqueducts and pipe pines that supply water to Boston, Massachusetts. Caption reads "This is one of the greatest water systems of the…