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Brus, Louis

(Encyclopedia)Louis Brus, 1943– , b. Cleveland, Ohio, American chemist, studied at Rice University (B.S., 1965) and Columbia University (Ph.D., 1969). He is Samuel ...

Eigen, Manfred

(Encyclopedia)Eigen, Manfred, 1927–2019, German biophysicist, Ph.D. Univ. of Göttingen, 1951. Eigen was on the faculty at the Univ. of Göttingen from 1951 to 1953. He joined the Max Planck Institute for Physica...

equivalent weight

(Encyclopedia)equivalent weight. The equivalent weight of an element or radical is equal to its atomic weight or formula weight divided by the valence it assumes in compounds. The unit of equivalent weight is the a...

Hevesy, Georg von

(Encyclopedia)Hevesy, Georg von gāˈôrkh fən hĕˈvĕshē [key], 1885–1966, Hungarian physicist and chemist. He received the 1943 Nobel Prize in Chemistry for his work on the use of isotopes as tracers in stud...

Ertl, Gerhard

(Encyclopedia)Ertl, Gerhard gĕrˈhärt ârˈtəl [key], 1936– German chemist, b. Stuttgart, grad. Univ. of Stuttgart (1961), Technical Univ., Munich (Ph.D 1965). After holding a number of lecturer and research p...

Williams, Robert R., Jr.

(Encyclopedia)Williams, Robert R., Jr., 1886–1965, American chemist, b. India, grad. Univ. of Chicago (B.S., 1907); brother of Roger John Williams. Research undertaken in 1910, while he was chemist (1908–15) at...

Calvin, Melvin

(Encyclopedia)Calvin, Melvin, 1911–97, American organic chemist and educator, b. St. Paul, Minn., grad. Michigan College of Mining and Technology, 1931, Ph.D. Univ. of Minnesota, 1935. In 1937 he joined the facul...

du Vigneaud, Vincent

(Encyclopedia)du Vigneaud, Vincent dyo͞o vēnˈyō [key], 1901–78, American biochemist, b. Chicago. He was professor of biochemistry and head of the department at George Washington Univ. school of medicine (1932...

Harden, Sir Arthur

(Encyclopedia)Harden, Sir Arthur, 1865–1940, British biochemist, Ph.D. Univ. of Erlangen, 1888. Harden was a lecturer at the Univ. of Manchester (1888–1897) before becoming a researcher (1897–1930) at the Bri...

Hare, Robert

(Encyclopedia)Hare, Robert, 1781–1858, American chemist, b. Philadelphia. He was professor of chemistry (1819–47) at the medical college of the Univ. of Pennsylvania. Hare made important contributions to early ...