Justus von Liebig (1803-1873) was a German chemist who made major contributions to agricultural and biological chemistry and is known for his discovery of nitrogen as an essential plant nutrient. These letters “were written for the especial purpose of exciting the attention of governments, and an enlightened public, to the necessity of establishing Schools of Chemistry, and of promoting by every means, the study of a science so intimately connected with the arts, pursuits, and social well-being of modern civilised nations.”
Charles Spurgeon was a popular Baptist minister in London in mid-Victorian times; his ministry was highly influential and had a significant effect on many families in London and further afield. It was difficult to find a hall large enough to accommodate the crowd who wished to hear him. At times the Royal Surrey Gardens’ Music Hall was hired to accomodate the Sunday congregation; this could seat 10,000 but large numbers were unable to gain admittance.
His world-wide heritage is very much with us today through the many chuches built, missionary work begun, children’s charity founded and theological colleges established as a result of his ministry.
The sermons in this collect...
Elisha Gray was an American electrical engineer who co-founded the Western Electric Manufacturing Company. Gray is best known for his development of a telephone prototype in 1876 in Highland Park, Illinois and is considered by some writers to be the true inventor of the variable resistance telephone, despite losing out to Alexander Graham Bell for the telephone patent.
Nature’s Miracles: Familiar Talks on Science, published in 1900, is a discussion of science and technology for the general public. Volume II is subtitled Energy and Vibration: Energy, Sound, Heat, Light, Explosives.
At the Court of Liang at the period of Yang Chu, about 300 B.C., the philosophers were treated as guests of the reigning king, who reserved for them lodging and maintenance, and encouraged all who had any pretence to the pursuit of truth and wisdom. Whether or not Yang Chu was actually a native of the Wei State, or whether he came there drawn by the attraction of a critical and unrivalled audience, it is at least certain that he settled there as small proprietor, probably in the reign of King Hwei, and continued there till his death, about 250 B.C.
One may imagine a condition of life in many respects somewhat analogous to the life of Epicurus in his famous Athenian Garden. To the...