Marian Anderson was 42 when she sang her legendary open-air concert at the Lincoln Memorial on April 9, 1939. Marian Anderson was a famous contralto of the day, and the concert was arranged after…
Denis Diderot is one of the towering figures of the 18th century Enlightenment period, thanks largely to his editorship of the Encylopédie, one of the great attempts to catalog human knowledge. A…
(Encyclopedia) Maria II (Maria da Glória), 1819–53, queen of Portugal (1834–53), daughter of Peter IV (Pedro I of Brazil). Pedro, having succeeded to the Portuguese throne on the death (1826) of his…
(Encyclopedia) León, city (1995 pop. 125,117), W Nicaragua. It is Nicaragua's second largest city and the rail and commercial center between Corinto and Managua. It was founded in 1524 on Lake…
A Brief History of String Theory
Theories of the Universe
It's All Held Together with Strings A Brief History of String Theory The Important Part The Second Requirement, Extra Dimensions How…
U.S. Department of State Background Note Index: People History Government Political Conditions Economy Foreign Relations U.S.-Iranian Relations PEOPLEThe 1979 Islamic revolution and the 1980-…
Born: 1813Birthplace: Hertfordshire, England Bessemer steel process—In 1855 Bessemer, an English industrialist, patented the “Bessemer converter,” an early blast furnace that allowed quick and…
Jen Welter made headlines in the summer of 2015, when she became the first woman to be hired by the National Football League as a coach. Welter's appointment as an intern coach to off-season…
One of the few female punk rockers to reach mainstream success, Chrissie Hynde is the longtime leader of the group The Pretenders. Hynde is a child of the '60s revolution: she was attending Kent…
