September 7th |
1828 | Alexandre M. Butlerov, researcher on the structural theory of organic chemistry; first used term chemical structure; synthesized polymer of formaldehyde, was born. |
1829 | F. August Kekulé conceived the ring structure of benzene, 1865; described the quadrivalence of carbon and structural theory of organic chemistry, in 1858 and synthesized acetylene in 1864, was born. |
1854 | Paul Vielle, invented smokeless powder, Poudre B, from gelatinized nitrocellulose mixed with alcohol and ether, was born. |