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Marissa Mayer

Name at birth: Marissa Ann MayerMarisa Mayer was hired as Google employee #20 in 1999, which made it all the more surprising when she left the company to become CEO of search rival Yahoo in 2012.…

Charles Franklin Kettering

Charles Franklin Kettering Born: 1876Birthplace: Ohio Engine starting devices and ignition system—Kettering invented the first electrical ignition system and the self-starter for automobiles…

Golden Gate Bridge Opens

May 27, 1937 by Marcus McGraw   Source: Wide World Photos Related Links Bridges San Francisco San Francisco Landmarks Slideshow Earthquakes Live views of the…

Early 20th-Century Developments in Human Flight

Kitty Hawk to World War II The Wright brothers near Kitty Hawk, NC. Although there is some debate about who was the first to fly an airplane, credit for this feat is usually given to Wilbur (…

Groves, Leslie Richard

(Encyclopedia) Groves, Leslie Richard, 1896–1970, American army officer and engineer who headed the program that developed America's atomic bomb, b. Albany, N.Y., grad. West Point (1918). He was…

Hu Jintao

(Encyclopedia) Hu JintaoHu Jintaoh&oomacr;ˈ jĭnˈtouˈ [key], 1942–, Chinese political leader, b. Jixi, Anhui prov. A hydroelectric engineering graduate (1965) of Tsinghua Univ., he joined the…

Jaipur

(Encyclopedia) JaipurJaipurjīˈp&oobreve;r [key], former native state, W India. It is now part of Rajasthan state. The region of Jaipur is semiarid and mostly level, with scattered rocky hills.…

Meade, George Gordon

(Encyclopedia) Meade, George Gordon, 1815–72, Union general in the American Civil War, b. Cádiz, Spain. Graduated from West Point in 1835, he resigned from the army the next year and became a civil…

Konstanz

(Encyclopedia) KonstanzKonstanzkônˈstänts [key], Fr. Constance, city (1994 pop. 75,980), Baden-Württemberg, SW Germany, on the Rhine River at the western end of Lake Constance (Bodensee), and near…

bioethics

(Encyclopedia) bioethics, in philosophy, a branch of ethics concerned with issues surrounding health care and the biological sciences. These issues include the morality of abortion, euthanasia, in…