Cristobal Colon

(Genoa, 1451 - Valladolid, 1506) Discoverer of America. The origin of this navigator, probably Italian, is shrouded in mystery work of himself and of his first biographer, his son Hernando Colon. It seems that Christopher Columbus began as modest craftsman and trader and made contact with the sea through coastal navigation for commercial purposes.

In 1476 the Genoese fleet was wrecked in traveling, being attacked by French privateers off Cape St. Vincent (Portugal); since Columbus was established in Lisbon as a commercial agent Centurione house, for which he traveled to Madeira, Guinea, England and even Iceland (1477).

Then he set about mapping and acquire a self-taught: he learned the classical languages, which enabled read the ancient geographical treatises, and began to make contact with the great geographers of the time.

Columbus sailed to the Canary Islands and then westward, reaching the island of Guanahani on October 12, 1492. For the first time a group of European stepped on American soil, although neither Columbus nor his crew were aware of it.

Although the Vikings had reached North America about five hundred years before (expedition Leif Ericson) had not left a permanent establishment nor had circulated the news of the discovery, leaving it therefore inconsequential until time of Columbus.

Isaac newton

Isaac Newton was an English scientist, was born on Christmas day in 1642 the old calendar. His mother prepared a farmer future for him. But then I was convinced that her son had talent and sent him to the University of Cambridge, where to pay for his studies he started working.

Newton in college not especially emphasized.

Your graduacción was in 1665. After that he bowed to the investigation of the physics and mathematics. Because of this at age 29 made some theories that would lead him down the path of modern science until the twentieth century.

Isaac is considered as one of the main protagonists of the "scientific revolution" of the seventeenth century and the "father of modern mechanics." But never wanted to publicize their findings.

BIOGRAPHY OF CHARLES ROBERT DARWIN

A student of the natural, English naturalist. The creator of the theory of natural selection of species.

At age 16 he began to study medicine. Very soon acquired taste for natural sciences and was named naturalist British ship Beagle. In 1839 he published his first book: Journey of a naturalist around the world. He was secretary of the Geological Society and worked with Lyell. Between 1851 and 1854 he published a monumental biography of barnacles. In 1858 he presented, along with Alfred Wallace, the theory of selection, which had arrived independently. In 1859 he published The Origin of Species by Means of Natural Selection, which made its

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