American film pioneer and business magnate
Marcus Loew
Marcus Loew was an American business magnate and a pioneer of the motion picture industry who formed Loew's Theatres and the Metro-Goldwyn-Mayer film studio.
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American inventor
Margaret E. Knight
Margaret Eloise Knight was an American inventor, notably of a machine to produce flat-bottomed paper bags.
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American NASA scientist and mathematician
Margaret Hamilton
Margaret Elaine Hamilton is an American computer scientist.
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Filipino journalist
Maria Ressa
Maria Angelita Ressa is a Filipino and American journalist and Nobel Peace Prize laureate.
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American business executive; former president, chair and chief executive officer
Marillyn Hewson
Marillyn Adams Hewson is an American businesswoman who served as the chairman, president and chief executive officer of Lockheed Martin from January 2013 to June 2020.
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American businessman
Mario Segale
Mario Arnold Segale was an Italian-American businessman and real estate developer.
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American inventor and architect
Marion Donovan
Marion O'Brien Donovan was an American inventor and entrepreneur.
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American business executive and engineer, former CEO of Yahoo!
Marissa Mayer
Marissa Ann Mayer is an American business executive, software engineer, and investor who served as president and chief executive officer of Yahoo! from 2012 to 2017, when it was sold to Verizon.
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American businesswoman
Marjorie Merriweather Post
Marjorie Merriweather Post was an American businesswoman, socialite, and philanthropist.
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