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1769, the same year with Napoleon, Wellington, Goethe, Marshal Ney, and many other illustrious men. He received an excellent and extensive education at the university of Gottingeu, and at an academy at Frankfort on the Oder. His first step into the business of life was as a clerk in the mercantile house of Buch, at Hamburg, where he soon made himself master of accounts and bookkeeping, and acquired that perfect command of arithmetic, and habit of bringing every thing, where it is possible, to the test of figures, by which his political and scientific writings are so pre-eminently distinguished. But his disposition was too strongly bent on scientific and physical pursuits, to admit of his remaining long in the comparatively obscure and uninviting paths of commerce. His thirst for travelling was from his earliest years unbounded, and it erelong received ample gratification. His first considerable journey was with two naturalists of distinction, Messrs Fontu and Genns, with whom he travelled in Germany, Holland, and England, in the course of which his attention was chiefly directed to mineralogical pursuits. The fruit of his observations appeared in a work, the first he ever published, which was printed at Brunswick in 1790, when he was only twenty-one years of age, entitled Observations sur les Basaltes du Rhin.

      To extend his information, already very considerable, on mineralogical science, Humboldt in 1791 repaired to Freyburg, to profit by the instructions of the celebrated Werner; and, when there, he devoted himself, with the characteristic ardour of his disposition, to make himself master of geology and botany, and prosecuted in an especial manner the study of the fossil remains of plants in the rocks around that place. In 1792, he published at Berlin a learned treatise, entitled Specimen Floræ, Friebergensis Subterraniæ; which procured for him such celebrity, that he was soon after appointed director-general of the mines in the principalities of Anspach and Bayreuth, in Franconia. His ardent and philanthropic disposition there exerted itself for several years in promoting, to the utmost of his power, various establishments of public utility; among others, the public school of Streben, from which has already issued many distinguished scholars. Charmed by the recent and brilliant discoveries of M. Galvani in electricity, he next entered with ardour into that new branch of science; and, not content with studying it in the abstract, he made a great variety of curious experiments on the effects of galvanism on his own person, and published the result in two octavos, at Berlin, in 1796, enriched by the notes of the celebrated naturalist Blümenbach. This work was translated into French by J. F. Jadelot, and published at Paris in 1799. Meanwhile Humboldt, consumed with an insatiable desire for travelling, resumed his wanderings, and roamed over Switzerland and Italy, after which he returned to Paris in 1797, and formed an intimacy with a congenial spirit, M. Aimé Bonpland; who afterwards became the companion of his South American travels. At this time he formed the design of joining the expedition of Captain Baudin, who was destined to circumnavigate the globe; but the continuance of hostilities prevented him from carrying that design into effect. Baffled in that project, upon which his heart was much set, Humboldt went to Marseilles with the intention of embarking on board a Swedish frigate for Algiers, from whence he hoped to join Napoleon's expedition to Egypt, and cross from the banks of the Nile to the Persian Gulf and the vast regions of the East. This was the turning point of his destiny. The Swedish frigate never arrived; the English cruisers rendered it impossible to cross the Mediterranean, except in a neutral vessel; and after waiting with impatience for about two months, he set out for Madrid, in the hope of finding means in the Peninsula of passing into Africa from the opposite shores of Andalusia.

      Upon his arrival in the Spanish capital, the German philosopher was received with all the distinction which his scientific reputation deserved; and he obtained from the government the extraordinary and unlooked-for boon of a formal leave to travel over the whole South American colonies of the monarchy. This immediately determined Humboldt. He entered with ardour into the new prospects thus opened to him; wrote to his friend Aimé Bonpland to propose that he should join him in the contemplated expedition – an offer which was gladly accepted; and soon the visions of Arabia and the Himalaya were supplanted by those of the Pampas of Buenos Ayres and the Cordilleras of Peru. The two friends embarked at Corunna on board a Spanish vessel, and after a prosperous voyage, reached Cumana, in the New World, in July 1799. From that city they made their first expedition in Spanish America, during which they travelled over Spanish Guiana, New Andalusia, and the Missions of the Caribbees, from whence they returned to Cumana in 1800. There they embarked for the Havannah; and the whole of the summer of that year was spent in traversing that great and interesting island, on which he collected much important and valuable information. In September 1801, he set out for Quito, where he arrived in January of the succeeding year, and was received with the most flattering distinction. Having reposed for some months from their fatigues, Humboldt and Bonpland proceeded, in the first instance, to survey the country which had been devastated in 1797 by the dreadful earthquake, so frequent in those regions, and which swallowed up in a minute forty thousand persons. Then he set out, in June 1802, to visit the volcano of Tungaragno and the summit of Chimborazo. They ascended to the height of 19,500 feet on the latter mountain; but were prevented from reaching the top by impassable ravines. Perched on one of the summits, however, of this giant of mountains, amidst ice and snow, far above the abode of any living creature except the condor, they made a great variety of most interesting observations, which have proved of essential service to the cause of science. They were 3485 feet above the most elevated point which the learned Condamine, who had hitherto ascended highest, reached in 1745, but were still 2140 feet below the loftiest summit of the mountain. They determined, by a series of strict trigonometrical observations, the height of the chief peaks of that celebrated ridge —

      "Where Andes, giant of the western star,

      Looks from his throne of clouds o'er half the world."

      Having returned, after this fatiguing and dangerous mountain expedition, to Lima, Humboldt remained several months enjoying the hospitality of its kind-hearted inhabitants, whose warm feelings and excellent qualities excited in him the warmest admiration. In the neighbouring harbour of Callao, he was fortunate enough to see the passage of the planet Mercury over the disk of the sun, of which transit he made very important observations; and from thence passed into the province of New Spain, where he remained an entire year, sedulously engaged in agricultural, political, and statistical, as well as physical enquiries, the fruits of which added much to the value of his published travels. In April 1803, he proceeded to Mexico, where he was so fortunate as to discover the only specimen known to exist of the tree called Cheirostomon Platanoides, of the highest antiquity and gigantic dimensions. During the remainder of that year, he made several excursions over the mountains and valleys of Mexico, inferior to none in the world in interest and beauty; and in autumn 1804, embarked for the Havannah, from whence he passed into Philadelphia, and traversed a considerable part of the United States. At length, in 1805, he returned to Europe, and arrived safe at Paris in November of that year, bringing with him, in addition to the observations he had made, and recollections with which his mind was fraught, the most extensive and varied collection of specimens of plants and minerals that ever was brought from the New World. His herbarium consisted of four thousand different plants, many of them of extreme rarity even in South America, and great part of which were previously unknown in Europe. His mineralogical collection was of equal extent and value. But by far the most important additions he has made to the cause of science, consist in the vast series of observations he has made in the New World, which have set at rest a great many disputed points in geography, mineralogy, and zoology, concerning that interesting and, in a great degree, unknown part of the world, and extended in a proportional degree the boundaries of knowledge regarding it. Nor have his labours been less important in collecting the most valuable statistical information regarding the Spanish provinces of those vast regions, especially the condition of the Indian, negro, and mulatto race which exist within them, and the amount of the precious metals annually raised from their mines; subjects of vast importance to Great Britain, and especially its colonial and commercial interests, but which have hitherto been in an unaccountable manner neglected, even by those whose interests and fortunes were entirely wound up in the changes connected with these vital subjects.

      The remainder of Baron Humboldt's life has been chiefly devoted to the various and important publications, in which he has embodied the fruit of his vast and extensive researches in the New World. In many of these he has been assisted by M. Aimé Bonpland, who, his companion in literary labour as in the danger and fatigues of travelling, has,

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