Born: 1920 Videotape recorder—After World War II audio tape recorders were run at very high speeds to record the very high frequency television signals. Ginsburg developed a new machine that ran…
Born: 1863Birthplace: Thompson, Ohio Manufacture of aluminum—Hall discovered the modern electrolytic method of producing aluminum cheaply which enabled the metal to be put into wide commercial use…
Born: 1876Birthplace: Ohio Engine starting devices and ignition system—Kettering invented the first electrical ignition system and the self-starter for automobiles and the first practical engine-…
Born: 1915Birthplace: Calcutta, India Catalytic cracking of hydrocarbons with a crystalline zeolite catalyst composite—Plank and Rosinski developed the first commercially useful zeolite catalyst…
Born: 1930 Cataract Surgery. In 1963, Kelman designed the ultrasonic phacoemulsifier, which liquefies cataracts so they can be removed by suction. The pioneering procedure reduced the risk of…
educator, publisherBorn: 1914Birthplace: New York City A gifted linguist, he graduated from Yale in 1936 and began running his grandfather's intensive language-teaching business. As the need for…
engineer, inventorBorn: 3/17/1849Birthplace: Euclid Township, Ohio After studying mining engineering at the University of Michigan, he worked as a chemist and an iron merchant. He ultimately…
economist, publisherBorn: 12/15/1793Birthplace: Philadelphia, Pa. Having foregone college to get an early start in his father's publishing business, he became a partner by age 24. He educated…
poetBorn: May 9, 1938Birthplace: Belgrade, Yugoslavia Charles Simic replaced Donald Hall as Poet Laureate of the U.S. in 2007. Born in Yugoslavia in 1938, Simic moved to…
(Encyclopedia) Dana, James Dwight, 1813–95, American geologist, mineralogist, and naturalist, b. Utica, N.Y., grad. Yale, 1833. His studies of the S Pacific, NW United States, Europe, and elsewhere…
