Ludwig Mond, German-born chemist and British industrialist who discovered the metal carbonyls (d. 1909)
Ludwig Mond FRS (7 March 1839 – 11 December 1909) was a German-born chemist and industrialist who took British nationality. He discovered an important, previously unknown, class of compounds called metal carbonyls.

1839Mar, 7
Ludwig Mond
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Events on 1839
- 3Jun
First Opium War
In Humen, China, Lin Tse-hsü destroys 1.2 million kg of opium confiscated from British merchants, providing Britain with a casus belli to open hostilities, resulting in the First Opium War. - 22Jun
Treaty of New Echota
Cherokee leaders Major Ridge, John Ridge, and Elias Boudinot are assassinated for signing the Treaty of New Echota, which had resulted in the Trail of Tears. - 2Jul
La Amistad
Twenty miles off the coast of Cuba, 53 rebelling African slaves led by Joseph Cinqué take over the slave ship Amistad. - 3Jul
Framingham State University
The first state normal school in the United States, the forerunner to today's Framingham State University, opens in Lexington, Massachusetts with three students. - 23Aug
First Opium War
The United Kingdom captures Hong Kong as a base as it prepares for war with Qing China. The ensuing three-year conflict will later be known as the First Opium War.