Columbia Encyclopedia

Search results

500 results found

Haber, Fritz

(Encyclopedia)Haber, Fritz häˈbər [key], 1868–1934, German chemist. He was a professor of physical chemistry at Karlsruhe and became director of the Kaiser Wilhelm Institute at Dahlem in 1911. During World War...

fullerene

(Encyclopedia)fullerene, any of a class of carbon molecules in which the carbon atoms are arranged into 12 pentagonal faces and 2 or more hexagonal faces to form a hollow sphere, cylinder, or similar figure. The sm...

normality

(Encyclopedia)normality, in chemistry: see concentration. ...

McMillan, Edwin Mattison

(Encyclopedia)McMillan, Edwin Mattison, 1907–91, American physicist, b. Redondo Beach, Calif., grad. California Institute of Technology, 1928, Ph.D. Princeton, 1932. On the faculty of the Univ. of California from...

Ostwald, Wilhelm

(Encyclopedia)Ostwald, Wilhelm vĭlˈhĕlm ôstˈvält [key], 1853–1932, German physical chemist and natural philosopher, b. Riga, Latvia. He was professor of chemistry and director of the chemical laboratory (18...

Flory, Paul John

(Encyclopedia)Flory, Paul John, 1910–85, American chemist, b. Sterling, Ill., Ph.D. Ohio State Univ., 1934. Flory was a researcher with the DuPont Company (1934–37) and a professor at the Univ. of Cincinnati (1...

Henderson, Richard, Scottish molecular biologist

(Encyclopedia)Henderson, Richard, 1945–, Scottish molecular biologist, Ph.D. Cambridge, 1969. Henderson has been a researcher at the Laboratory of Molecular Biology in Cambridge since 1973. In 2017 he was awarded...

Hahn, Otto

(Encyclopedia)Hahn, Otto ôˈtō hän [key], 1879–1968, German chemist and physicist. His important contributions in the field of radioactivity include the discovery of several radioactive substances, the develop...

Karrer, Paul

(Encyclopedia)Karrer, Paul, 1889–1971, Swiss organic chemist, Ph.D. Univ. of Zürich, 1911. From 1912 to 1918, Karrer was a chemist at the Georg Speyer Haus, Frankfurt-am-Main. He left in 1919 to become professor...

Staudinger, Hermann

(Encyclopedia)Staudinger, Hermann, 1881–1965, German chemist, Ph.D. Univ. of Halle, 1903. Staudinger held faculty positions at the Univ. of Strasbourg (1903–7), the Technical Univ. of Karlsruhe (1907–12), and...