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Biography, sources, and related links.

This page briefly details the life of bridge builder Abraham Darby. Though author Ian Beach focuses on Darby's career, work with iron, and response to new technologies, Beach also briefly explores the effect that Darby's Quakerism had on his life. Ten images, mostly of Darby's bridges, accompany the text.

This site is truly extensive, covering the history of commercial aviation throughout the world. The site gives brief histories of the beginnings and development of airlines in the United Kingdom, America, and Europe. For those interested in airlines in other parts of the world, the contents also include an exhaustive list of profiles of current and past airlines listed alphabetically, from ABA_Swedish Airlines to ZONDA-Zonas Oeste y Norte de Aerolineas Argentinas.

Alan Turning (1912-1954) was a pioneering mathematician and philosopher of the mind who most famously worked on breaking Nazi codes and presaged developments in artificial intelligence and computer technology. This site conveys Turning's biography, providing a timeline and short prospectus of Turning's life. There is also a scrapbook that includes many photographs of Turning, diagrams of his mathematics and logic, and a large glossary of related historical terms and context.

This site is a large archive of alchemy texts and images. The site contains dozens of transcriptions of 16th, 17th, and 18th century texts, more than a thousand images, an extensive collection of scholarly articles, and more. The site is maintained by Adam McLean, an independent scholar and well known authority and enthusiast for all things alchemical. The site also offers a mailing list, a CD-ROM version of the site, and several study courses.