Jules Henri Poincaré (1854–1912) was one of France’s greatest mathematicians and theoretical physicists, and a philosopher of science. As a mathematician and physicist, he made many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics. He was responsible for formulating the Poincaré conjecture, one of the most famous problems in mathematics. In his research on the three-body problem, Poincaré became the first person to discover a chaotic deterministic system which laid the foundations of modern chaos theory...

The Reverend Gilbert White was the curate of the village of Selborne, a village in Hampshire, from 1784 to his death in 1793, living most of his life in the village. The book is in the form of a collection of letters to two friends, discussing the natural history of the areas that he knew, and natural history in general. White’s intense curiosity and his love for the world about him flow through his simple, straightforward style, and a gentle sense of humour colours many of his anecdotes.

The book is a breezy, first-person account of a 2 month summer tour of the U.S. states of Nebraska, Wyoming, Colorado, and Kansas when Parkman was 23. Proofed and produced by Karen Merline.

Tales of the brave and daring explorers that ventured into the unknown “Sea of Darkness” where it was thought monsters and angry gods lived. They dared to sail near the equator which was thought to have such intense heat that it would boil the ocean water. It was also commonly thought at the time that the world was flat, and the ships would fall off the face of the earth. These men overcame these fears to explore and discover new lands.

Meriwether Lewis and William Clark – In the years 1804, 1805, and 1806, two men commanded an expedition which explored the wilderness that stretched from the mouth of the Missouri River to where the Columbia enters the Pacific, and dedicated to civilization a new empire. Their names were Meriwether Lewis and William Clark. This book relates that adventure from it’s inception through it’s completion as well as the effect the expedition had upon the history of the United States.

Charles King (1844 – 1933) was a United States soldier and a distinguished writer. He was the son of Civil War general Rufus King and great grandson of Rufus King, one of the signers of the Declaration of Independence. He graduated from West point in 1866 and served in the Army during the Indian Wars under George Crook. He was wounded in the arm forcing his retirement from the regular army. During this time he became acquainted with Buffalo Bill Cody. King would later write scripts for several of Cody’s silent films...