Born: 1926Birthplace: New York City Diagnostic x-ray systems—Ledley developed the ACTA diagnostic x-ray scanner, the first whole-body computerized tomography (CT) machine. He was the first to do…
Born: 1927Birthplace: Iowa Semiconductor device-and-lead structure—Noyce, as research director of Fairchild Semiconductor, was responsible for the initial development of silicon mesa and planar…
Born: 1922Birthplace: Boston, Mass. High resolution-image-scanning radar and sonar—Rines' radar and sonar inventions have been used by the military in the Persian Gulf War. In peacetime they have…
Born: 1936Birthplace: Santa Monica, Calif. Field-effect device with insulated gates—Also known as the Self-Aligned Gate MOSFET (metal oxide semiconductor field effect transmitter). Patented in 1969…
Born: 1932Birthplace: Terrell, Tex. One-transistor dynamic random access memory—Dr. Dennard's invention of DRAM, most often called RAM, was a core development in today's computer industry and is…
media executiveBorn: 7/2/1918Birthplace: New York City Son of David Sarnoff, a pioneer in radio and television who had organized NBC in 1926, Robert W. Sarnoff was groomed to succeed his father at…
economistBorn: 1944Birthplace: New York City As a professor of economics at the University of Rochester since 1975, he espoused “new classical macroeconomics” which focus on the study of business…
business executive, philanthropistBorn: 1/22/1850Birthplace: Cecil County, Md. With little formal education, he established himself as a St. Louis businessman first in manufacturing, then real…
art collectorBorn: 1877 Clark and his wife, Francine Clary Clark, became well-known collectors of Old Masters and 19th century paintings. As heir to the Singer sewing machine fortune (his…
