Chemical Heritage Foundation

This organization has contributed to the following objects in the Encyclopedia.

Carveth, Hector who taught chemistry at Cornell University before joining Roessler & Hasslacher in 1905

Portrait of Dr. Hector Carveth, who taught chemistry at Cornell University before joining Roessler & Hasslacher in 1905.

Hasslacher, Jacob Portrait

Portrait of Jacob Hasslacher.

Michaelis, Gustavus German-American scientist-entrepreneur

Portrait of German-American scientist-entrepreneur Gustavus Michaelis, who accused Roessler & Hasslacher of having violated his intellectual property rights when it…

National Aniline & Chemical Co., Inc. Advertisement

National Aniline & Chemical Co., Inc. Advertisement, Dyestuffs 12, no. 9, September 1921, n.p.

Roessler & Hasslacher’s purified chloroform advertisement

Advertisement for Roessler & Hasslacher’s purified chloroform, published in the German-American journal Pharmaceutische Rundschau 5 (1887).

Roessler, Franz, Jacob Hasslacher’s business partner

Portrait of Jacob Hasslacher’s business partner, Franz Roessler.

Schoellkopf, Hartford & Hanna Co., American Aniline Colors, sample book

Sample Book, Acid Colors on Silk, Series A-18 and Series A-19, Schoellkopf, Hartford & Hanna Co., American Aniline Colors, July…