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enzyme

(Encyclopedia)enzyme, biological catalyst. The term enzyme comes from zymosis, the Greek word for fermentation, a process accomplished by yeast cells and long known to the brewing industry, which occupied the atten...

Mohl, Hugo von

(Encyclopedia)Mohl, Hugo von ho͞oˈgō fən mōl [key], 1805–72, German botanist. He is noted for his research on the nature of protoplasm and chlorophyll and on the physiology of higher plant forms. Mohl was pr...

League of Women Voters

(Encyclopedia)League of Women Voters, voluntary public service organization of U.S. citizens. Organized in 1920 in Chicago as an outgrowth of the National American Woman Suffrage Association, it had as its original...

MacIver, Robert Morrison

(Encyclopedia)MacIver, Robert Morrison məkēˈvər, –kīˈvər [key], 1882–1970, Scottish-American sociologist, b. Scotland, grad. Univ. of Edinburgh and Oxford. He began teaching at Columbia Univ. in 1927. Hi...

mastaba

(Encyclopedia)CE5 Mastaba mastaba măsˈtəbə [key], in Egyptian architecture, a sepulchral structure built aboveground. The mastabas of the early dynastic period (3200–2680 b.c.), such as those of the I dyn...

Shapley, Harlow

(Encyclopedia)Shapley, Harlow shăpˈlē [key], 1885–1972, American astronomer, b. Nashville, Mo., grad. Univ. of Missouri, 1910, Ph.D. Princeton, 1913. He was astronomer at Mt. Wilson Observatory from 1914 to 19...

Cohen-Tannoudji, Claude Nessim

(Encyclopedia)Cohen-Tannoudji, Claude Nessim, 1933–, French physicist, b. Algeria, Ph.D. École Normale Supérieure, Paris, 1962. He has continued his research at the École Normale Supérieure, and was a profess...

Fischer, Emil

(Encyclopedia)Fischer, Emil fĭshˈər [key], 1852–1919, German organic chemist. He is especially noted for his researches on the structure and synthesis of sugars and of purines and purine base derivatives, e.g...

Porter, Rodney Robert

(Encyclopedia)Porter, Rodney Robert, 1917–85, British biochemist, Ph.D. Cambridge, 1948. He was a researcher at the National Institute of Medical Research, England (1949–1960), and a professor at St. Mary's Hos...

Pasargadae

(Encyclopedia)Pasargadae pəsärˈgədē [key], capital of ancient Persia under Cyrus the Great. Its ruins lie 54 mi (87 km) by road NE of Persepolis, in present Iran. The buildings of Cyrus include a temple in the...