Columbia Encyclopedia

Search results

500 results found

Cecco d'Ascoli

(Encyclopedia)Cecco d'Ascoli chĕkˈkō däsˈkōlē [key], 1269?–1327, Italian astrologer, mathematician, poet, and physician, whose real name was Francesco degli Stabili, b. Ascoli. A teacher of astrology at se...

vernier

(Encyclopedia)vernier vûrˈnēr [key], auxiliary scale, either straight or an arc of a circle, designed to slide along a fixed scale. Its unit divisions, usually smaller than those on the fixed scale, permit a far...

Benedetti, Giovanni Battista

(Encyclopedia)Benedetti, Giovanni Battista jōvänˈnē bät-tēsˈtä bānādĕtˈtē [key], 1530–90, Italian mathematician and physicist. An important forerunner of Galileo, Benedetti had diverse interests, inc...

Briggs, Henry

(Encyclopedia)Briggs, Henry, 1561–1630, English mathematician. He was the first professor of geometry at Gresham College, London (1596–1619), and Savilian professor of astronomy at Oxford (from 1619). After pub...

Scheiner, Christoph

(Encyclopedia)Scheiner, Christoph krĭsˈtôf shīnˈər [key], 1579?–1650, German astronomer and mathematician, a Jesuit priest. He taught at Ingolstadt, Rome, and elsewhere and became rector of a Jesuit college...

axiom

(Encyclopedia)axiom, in mathematics and logic, general statement accepted without proof as the basis for logically deducing other statements (theorems). Examples of axioms used widely in mathematics are those relat...

De Morgan, Augustus

(Encyclopedia)De Morgan, Augustus də môrˈgən [key], 1806–71, English mathematician and logician, b. India. A noted teacher, he was professor of mathematics (1828–31, 1836–66) at University College (now pa...

Fibonacci, Leonardo

(Encyclopedia)Fibonacci, Leonardo lāōnärˈdō fēbōnätˈchē [key], b. c.1170, d. after 1240, Italian mathematician, known also as Leonardo da Pisa. In Liber abaci (1202, 2d ed. 1228), for centuries a standard...

Gersonides

(Encyclopedia)Gersonides lēˈvī bĕn gûrˈshən [key], 1288–1344, Jewish philosopher, astronomer, and mathematician, called also Ralbag, from the initials of his Hebrew name, b. Languedoc. He wrote scientific ...

Mayer, Johann Tobias

(Encyclopedia)Mayer, Johann Tobias yōˈhän tōbēˈäs mīˈər [key], 1723–62, German mathematician and astronomer. In 1751 he became professor of economics and mathematics at the Univ. of Göttingen, and in 1...