August 22nd
On this day in 1950, the pile achieved criticality in the Brookhaven Graphite Research Reactor (BGRR), the world's first nuclear reactor dedicated to the peaceful...
August 21st
Charles (-Frédéric) Gerhardt was born on this day in 1826. French chemist who, with Auguste Laurent, developed a classification of organic compounds. Like most chemists...
August 20th
Adolf von Baeyer died on this day in 1917. Johann Friedrich Wilhelm Adolf von Baeyer was a German chemist who synthesized indigo (1880) and formulated its structure...
August 19th
On this day in 1887, Dmitri Ivanovich Mendeleev (1834-1907) used a balloon to ascend above the cloud cover to an altitude of 11,500 feet (3.5 km) to...
August 18th
On this day in 1868, Pierre Janssen discovered a previously unknown bright yellow line in the spectrum of the chromosphere of the sun during a solar eclipse...
August 17th
Aleksandr Butlerov died on this day in 1886. Russian chemist whose theory of organic chemistry structure was an important step towards the modern understanding of organic chemistry....
August 16th
On this day in 2003, chemists met in Ottawa to vote and make official a proposed name for the element 110: Darmstadtium, symbol Ds. This...
August 15th
Johan Gadolin died on this day in 1852. Finnish chemist who discovered the element yttrium (1794). This was the first of a family of 15 rare earth...