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Leopold Mannes

Leopold MannesBorn: 1893 Color Film. The duo, Godowsky and Mannes, affectionately known by colleagues and friends as “God and Man” were professional musicians who enjoyed photography as a…

Robert Gundlach

Robert Gundlach Born: 1926 Photocopying. Gundlach devoted over three decades to transforming photocopiers into small, robust…

Alec Jeffreys

Alec Jeffreys Born: 1950 Jeffreys discovered a process that detects extremely variable DNA regions, enabling genetic…

Dean Kamen Biography

Dean KamenBorn: 1951 Medication Infusion Pumps. Kamen's first major innovation was the AutoSyringe, a wearable device that delivered precise doses of medication to diabetics and other…

Garrett Morgan Biography

Garrett MorganBorn: 1877 Safety Hood, Traffic Light. Morgan's first well-known invention was the safety hood, a forerunner of the gas mask. When 32 workers in Cleveland, Ohio, were trapped during a…

Jacob Rabinow

Jacob RabinowBorn: 1910 Optical Character Recognition (OCR). Rabinow invented a process that allowed machine scanners to determine which letters or numbers were printed on a page. Over the…

Leo Sternbach

Leo SternbachBorn: 1908 Benzodiazepines. With the assistance of Lowell Randall and Earl Reeder, he discovered a new class of drugs, called benzodiazepines. Librium (1960) and Valium (1963), the first…

Selman Waksman

Selman WaksmanBorn: 1888 Streptomycin. A pioneer in microbiology, Waksman specialized in the study of microbes in soil. His most important find, streptomycin, provided the first effective…

Benjamin Holt

Benjamin Holt Born: 1849 Birthplace: Concord, New Hampshire Track-type tractor—Holt ushered in the modern era of…

Dale Kleist

Dale Kleist Born: 1909 Birthplace: Newark, Ohio Fiberglass—In the 1930s, Dale Kleist, Games Slayer, and John Thomas…