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Instruments for solving astronomical problems are part of a continuous tradition reaching far back through the Middle Ages into the Hellenistic world. Dr. Kennedy expands the history of analog computers by providing an account of an important development in Central Asia where, in the Samarqand observatory of the Timurid prince Ulugh Beg, an outstanding mathematician of the fifteenth century invented his unique planetary equatorium. With this mechanico-graphical device, Kashi determined solar, lunar, and planetary true longitudes and predicted eclipses, obtaining magnitude, time, and...

Instruments for solving astronomical problems are part of a continuous tradition reaching far back through the Middle Ages into the Hellenistic world. Dr. Kennedy expands the history of analog computers by providing an account of an important development in Central Asia where, in the Samarqand observatory of the Timurid prince Ulugh Beg, an outstanding mathematician of the fifteenth century invented his unique planetary equatorium. With this mechanico-graphical device, Kashi determined solar, lunar, and planetary true longitudes and predicted eclipses, obtaining magnitude, time, and...

The recurring theme in Jerry Wiesner's varied and distinguished career was what Senator Edward M. Kennedy calls in the foreword to this book a "passionate involvement to make a better world, and a safer world." His odyssey as a public citizen included work as an acoustician for folklorist Alan Lomax in the Library of Congress, research at MIT's Radiation Lab and at Los Alamos, service as President John F. Kennedy's Special Assistant for Science and Technology, and his years at MIT as professor, dean, provost, and president. At Los Alamos he received what he called "a valuable education on...

Shortlisted, Semifinalist, 22nd Annual Robert F. Kennedy Book Award
Finalist, Spur Award in western nonfiction biography, Western Writers of America

Revered by many Texans and other Americans as "the People's Senator," Ralph Webster Yarborough (1903-1996) fought for "the little people" in a political career that places him in the ranks of the most influential leaders in Texas history. The only U. S. Senator representing a former Confederate state to vote for every significant piece of modern civil rights legislation, Yarborough became a cornerstone of Lyndon Johnson's...