He discovered it at the age of 25 in 1869
Dimitri Mendeleev was born on February 8th, 1834.
Between 1869 when the molecule was discovered and 1953, when its molecular structure was identified.
Dmitri Mendeleev performed his research during the year 1847.
Mendeleev's published the periodic table in 1869.
Dimitri Menedeleev in 1869.
The presentation of the periodic table by Dimitri Mendeleev: 6 March 1869.
1869, after the Dimitri Mendeleev discovery.
Dimitri Mendeleev, 1869.
The Russian chemist Dimitri Mendeleev in 1869.
Dimitri Mendeleev, a Russian chemist in 1869.
1869
He discovered it at the age of 25 in 1869
He did not discover it - he invented it together with Auguste Renoir.They did their first paintings in this style in 1869.
Dmitri Mendeleev published his periodic table in 1869.
Dimitri Mendeleev did the original in 1869. The last naturally occurring element was Francium, and it allows for the addition of elements that were discovered later.
Dimitri Mendeleev was born on February 8th, 1834.