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Kayser, Heinrich Gustav Johannes

(Encyclopedia)Kayser, Heinrich Gustav Johannes hīnˈrĭkh go͝osˈtäf yōhänˈəs kīˈzər [key], 1853–1940, German physicist. He was professor at Bonn from 1894 to 1920. He is known for his work in sound and...

Oud, Jacobus Johannes Pieter

(Encyclopedia)Oud, Jacobus Johannes Pieter yäkōˈbəs yōhäˈnəs pēˈtər out [key], 1890–1963, Dutch architect. Oud's interest in abstract painting led him to conceive of buildings composed in terms of pure...

Warming, Johannes Eugenius Bülow

(Encyclopedia)Warming, Johannes Eugenius Bülow yōhänˈəs ĕo͝ogāˈnēo͝os büˈlou värmˈĭng [key], 1841–1924, Danish botanist, a founder of the science of plant ecology. He was a professor at the Univ. ...

Sommerfeld, Arnold Johannes Wilhelm

(Encyclopedia)Sommerfeld, Arnold Johannes Wilhelm ärˈnōlt yōhänˈəs vĭlˈhĕlm zômˈərfĕlt [key], 1868–1951, German physicist and teacher. He received a Ph.D. at Königsburg Univ. in 1891 and was a prof...

Agricola, Johann

(Encyclopedia)Agricola, Johann or Johannes əgrĭkˈələ [key], c.1494–1566, German Protestant minister, whose family name was Schnitter (originally Schneider). He was born at Eisleben and is sometimes called M...

Forster, Johann Reinhold

(Encyclopedia)Forster, Johann Reinhold, 1729–98, German naturalist and teacher. His Philosophical Transactions of the Royal Society (1772–73) on zoology, ornithology, and ichthyology established him as one of t...

Leuckart, Karl Georg Friedrich Rudolf

(Encyclopedia)Leuckart, Karl Georg Friedrich Rudolf kärl gāˈôrk frēˈdrĭkh ro͞oˈdôlf loiˈkärt [key], 1823–98, German zoologist, a founder of the science of parasitology. He made important discoveries i...

Obrecht, Jacob

(Encyclopedia)Obrecht, Jacob yäˈkōp ōˈbrĕkht [key], c.1450–1505, Flemish composer. Obrecht was ordained as a priest in 1480. He wrote an early four-part setting of the St. Matthew Passion. His sacred music ...

Tilly, Johannes Tserklaes, count of

(Encyclopedia)Tilly, Johannes Tserklaes, count of yōhänˈəs tsĕrkläsˈ tĭlˈē [key], 1559–1632, general in Bavarian and later imperial service during the Thirty Years War. A younger son of a noble family o...

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