[DOC] [TLE] How old billionaires were when they made their first million ... [PAR] Feb 10, 2016 ... Microsoft's cofounder became a self-made millionaire in 1981 at age 26 ... the 
time he was 31, making him the youngest billionaire ever at the time. ... A little 
over a decade later, she became the youngest self-made woman billionaire at 
age 41. ... sums up the difference between billionaires and the rest of us. [DOC] [TLE] How old billionaires were when they earned their first billion ... [PAR] Feb 17, 2016 ... Microsoft's cofounder became a self-made billionaire in 1987 at 31. ... surpassed 
$1 billion, he became the youngest billionaire ever at the time. [DOC] [TLE] Bill Gates - Wikipedia [PAR] William Henry "Bill" Gates III (born October 28, 1955) is an American business 
magnate, investor, author and philanthropist. In 1975, Gates and Paul Allen co-
founded Microsoft, which became the .... At age 17, Gates formed a venture with 
Allen, called Traf-O-Data, to make ...... Archived from the original on July 31, 2012
. [DOC] [TLE] How old 15 self-made billionaires were when they earned their first ... [PAR] Feb 21, 2016 ... Bill Gates became the youngest billionaire ever in 1987 at age 31. ... Microsoft's 
cofounder became a self-made billionaire in 1987 at age 31. [DOC] [TLE] Elizabeth Holmes - Forbes [PAR] 2016 Billionaires Net Worth; $3.6 Billion; Founder-CEO, Theranos. Age: 32 ... 
Last year we listed Elizabeth Holmes as the world's youngest self-made woman 
billionaire, ... But Theranos, the blood-testing company she founded in 2003 and 
owns ... less than $100 million, has lead us to revise our estimate of her net worth
. [DOC] [TLE] At what age did these top 21 entrepreneurs became billionaires ... [PAR] Feb 8, 2016 ... The American Genius. Business ... At what age did these top 21 entrepreneurs 
became billionaires? By Jennifer ... Larry Ellison, co-founder of Oracle: 
millionaire at 42, billionaire at 49. ... Bill Gates, founder of Microsoft: millionaire at 
26, billionaire at 31. ... He was the youngest billionaire at the time (1987). [DOC] [TLE] These Are the World's Top 10 Young Billionaires - Entrepreneur [PAR] Nov 11, 2015 ... Position yourself for growth in 2017join us live at the Entrepreneur 360 ... The 
youngest mogul to make the list is Snapchat co-founder and CEO ... he worked in 
various software engineer posts at Microsoft, Batiq and OPNET Technologies. ... 
Age: 31. Company: Theranos Estimated net worth: $4.5 billion. [DOC] [TLE] Bill Gates Fast Facts - CNN.com [PAR] May 7, 2013 ... By the end of the year, Gates became a billionaire at the age of 31. ..... (CNN) 
Here is a look at the life of Bill Gates, co-founder of Microsoft Corporation. ... 1987 
- Becomes the youngest U.S. billionaire, worth $1.25 billion at 31... [DOC] [TLE] Timeline: Bill Gates - NPR [PAR] The system is modified and renamed MS-DOS, and the company licenses it to 
IBM for the company's ... 1987: At age 31, Gates becomes the youngest 
billionaire ever. ... In May, the U.S. Justice Department charges Microsoft with 
engaging in... [DOC] [TLE] Bill Gates - Biography - IMDb [PAR] Bill Gates to save his company stepped down from Microsoft as the CEO and ... 
Became a billionaire (US dollars) at age 31, making him the youngest ... Microsoft 
was founded with a vision of a computer on every desk, and in every home. [DOC] [TLE] This List Of World's 15 Youngest Tech Billionaires Will Make You ... [PAR] Mar 6, 2016 ... The Facebook co-founder and CEO became the youngest self-made billionaire in 
... The co-founder of Flipkart has been the chief operating officer for years ... at 
Microsoft when his former roommate Joe Gebbia recruited him to co-found Airbnb
. ... Today, she's America's youngest female billionaire at age 31. [DOC]

Question: This Microsoft co-founder became the youngest U.S. billionaire at age 31
Answer: Bill Gates