National Historic Chemical Landmarks
In Spanish: Lugares Emblemáticos en la Historia de la Química
In Arabic: اكتشاف البنسلين وتطويره
In Mandarin: 青霉素的发现与发展
Welcome to the website of the American Chemical Society’s National Historic Chemical Landmarks program. Under this program, ACS grants Landmark status to seminal achievements in the history of the chemical sciences and provides a record of their contributions to chemistry and society in the U.S.
Chemists and chemistry have transformed our lives, from advancing medicine and industry to creating new products such as penicillin, plastics and much more. This site tells their stories.
Find a Landmark
Landmark Directory
- Read about major chemistry advances that relate to everyday life.
- Learn about the cultural and scientific context for these achievements.
- See historic photos related to these developments and the people behind them.
Browse the collection of achievements, which include the discovery of penicillin, the first African-American Ph.D. in chemistry, the development of Scotch tape, and more.
In Spanish: Lugares Emblemáticos en la Historia de la Química
In Arabic: اكتشاف البنسلين وتطويره
In Mandarin: 青霉素的发现与发展
Map
Timeline
Educational Resources
Landmark Lesson Plans
- Ready-to-go lessons, easily implemented by high school teachers.
- Inquiry-based activities to supplement chemistry and history courses.
- Student activities, reading material and videos based on Landmark subjects.
View the collection, which covers the discovery of fullerenes, exploration of Mars, climate change, and more.
Learn more: About the Landmarks Program
Take action: Nominate a Landmark and Contact the NHCL Program Manager
En español: Lugares Emblemáticos en la Historia de la Química
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