In his tragically short career, Hank Williams (1923-1953) became one of the most famous country and western performers in the United States. He wrote and recorded songs that are still considered to be country music standards. Hiram King "H...

1914-1971 German mathematician who developed theories concerning pure mathematics. Neumann earned an Oxford University doctorate, focusing on group theory problems. She lectured at Hull University and conducted research at the Courant Inst...

William Hanna and Joseph Barbera, both through their own creativity and that of their studio, were second only to Walt Disney in the number of memorable, durable, and famous characters they introduced to the art of American animation. Know...

SMITH, HANNAH WHITALL (1832–1911), author, evangelist, and social activist, was born to birthright Quaker parents in Philadelphia, Pennsylvania on February 7, 1832. Frustrations with her slow spiritual progress as a young Quaker gir...

Hannibal Barca (247-183 BC) was a Carthaginian general and one of the greatest s of the ancient world. A brilliant strategist, he developed tactics of outflanking and surrounding the enemy with the combined forces of infantry and cavalry. ...

In about 500 B.C. an expedition led by the mariner Hanno sailed westward from Carthage in what is now Tunisia. Commanding 60 vessels on which were some 5,000 men and women, Hanno was charged with establishing trading colonies along the we...

The German biologist and philosopher Hans Adolf Eduard Driesch (1867-1941) was a leading representative of vitalism in the 20th century. Hans Driesch was born at Bad Kreuznach on Oct. 28, 1867, into a prosperous middle-class family. After ...

The Alsatian-born American theoretical physicist Hans Albrecht Bethe (born 1906), prolific and creative contributor to several vital fields of nuclear physics, discovered the mechanism of energy production by stars (including the sun). Han...

Hans Christian Joachim Gram was a Danish physician and bacteriologist who developed the most widely used method of staining bacterial cells for microscopic study. Gram was born in Copenhagen, Denmark, on September 13, 1853. He received a B...

The German organic chemist Hans Fischer (1881-1945) was awarded the Nobel Prize for chemistry in 1930 for his researches into the constitution of hemin and chlorophyll and especially for his synthesis of hemin. Hans Fischer, the son of Dr....

JONAS, HANS. Hans Jonas (1903–1993) was a theologian and philosopher whose intellectual development moved from research into the Gnosticism of late antiquity through a naturalistic philosophy of life and culminated in establishing a...

c. 1570-1619 Dutch optician who possibly invented the telescope. He is one of three spectacle-makers who claimed priority for the invention. It may be that the other two—Sacharias Jansen and Jacob Adriaenszoon (a.k.a. Jacob Metius)&...

Reichenbach, Hans(1891–1953) Hans Reichenbach was a leading philosopher of science and a proponent of logical positivism. He made important contributions to the theory of probability and to the philosophical interpretation of the th...

Vaihinger, Hans(1852–1933) Hans Vaihinger, the German philosopher of the "as if," was born in a devout home near Tübingen. Although he developed unorthodox religious views at an early age, he attended the Theolo...

Hans Zinsser was the youngest son of a German immigrant who owned a chemical products company in New York, New York. After a privileged childhood including private schooling, study abroad, and European travel, Zinsser attended Columbia Col...

In Korea the 105th day after the winter solstice is known as Hanshik. This spring observance, falling on or near 5 April, has long been a day for paying homage to one's ancestors. In the most traditional of Korean families, ancestra...

Hantavirus infections are caused by a group of viruses known as hantaviruses. These viruses cause two serious illnesses in humans. They are hemorrhagic (pronounced heh-meh-RA-jik) fever with renal syndrome (HFRS) and hantavirus pulmonary ...

HANUMĀN is the name of a Hindu monkey god widely venerated throughout India. One of the principal characters of the Hindu epic Rāmāyaṇa, Hanumān is also called Sundara ("beautiful"), and the...

For ten years, from 1974 to 1984, a fictional image of suburban Milwaukee brought the 1950s back to America through ABC's Happy Days. The picture of the world that was painted by this television comedy shaped a whole generation�...

Har Gobind Khorana (born 1922) was an Indian organic chemist and cowinner of the 1968 Nobel Prize for physiology or medicine. His research in chemical genetics vastly extended our understanding of how the chemicals of a cell nucleus transm...

1887-1951 Danish mathematician and the brother of famous Danish physicist Niels Bohr. Harald Bohr was a professor in Copenhagen, Denmark; his early research was on the theory of numbers, especially the Dirichlet series. Later, he collabora...

1888-1957 Norwegian meteorologist and oceanographer who did extensive research on ocean physics and chemistry, explained the equatorial countercurrents, and developed a method of predicting tides and surf heights. Sverdrup was one of Vilhe...

The Harappan culture, also known as the Indus Valley civilization, is one of the world's first urban civilizations. It thrived between 2500 and 1500 BCE in the fertile floodplains of the Indus River—present-day Pakistan and w...

A hard drive is a device that uses a ferromagnetic material to store data as part of a computer system. A hard drive may also be referred to as a hard disk drive or simply a hard disk. Hard drives consist of a completely sealed case that h...

A compacted subsurface soil layer. Hard pans are frequently found in soils that have undergone significant amounts of weathering. Clay will accumulate below the surface and cause the subsoil to be dense, making it difficult for roots and w...