A poor uneducated mill worker in his youth, whose driving passion was the study of astronomy, John Brashear lived to be designated "first citizen of Pennsylvania" for his scientific and philanthropic accomplishments, honored not only in his native Pittsburgh but by scientists all over the world. This is a biography of Brashear, the instrument maker and educator, whose life was one of genuinely inspiring achievement and service.
Raymond Walters, Jr. presents the definitive biography of Albert Gallatin (1761-1849), recounting sixty years that the Swiss-born diplomat served his adopted country as a congressional leader, Secretary of the Treasury, financier, and ambassador. Gallatin was a founder of the House Committee on Finance (later the Ways and Means Committee), a member of the new Democratic-Republican Party, and an active politician who opposed the Federalist Party and its programs, while also helping to bring about the election of Thomas Jefferson.
The aim of this book is to present a readable account of butterfly behaviour, based on field observations, great photographs and the latest research. The main focus is on courtship and mating – including perching, searching and territorial behaviour – but to understand these subjects it is necessary to explain how mates are chosen and this requires sections on wing colours and patterns. A chapter on butterfly vision is also essential in terms of how butterflies see the world and each other. There have been exciting discoveries in all of these fields in recent years, including: butterfly vision (butterfly photoreceptors), wing patterns (molecular biology), wing colouration (structural colours and nano-architecture), mating strategies and female choice (ecology and behaviour).
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