Thomas Edison

What do you say about the man who gave the world the electric light, the phonograph, talking motion pictures and more than 1,300 other patented inventions? That he was the world’s greatest inventor

Carlos Slim

Carlos Slim Helú (Spanish pronunciation: [ˈkaɾlos esˈlim eˈlu]; born January 28, 1940) is a Mexican business magnate, investor, and philanthropist.^[3][4] From 2010 to 2013, Slim was ranked as the richest person in the world.^[5] Known as the "Warren Buffett of Mexico",^{[6][7][8][9][10]} he derived his fortune from his extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso.^[11] As of 3 November 2015 he was #2 on Forbes list of billionaires, with net worth estimated at US$77.1 billion.^[12]
Slim is the chairman and chief executive of telec

Bill Gates

William Henry "Bill" Gates III (born October 28, 1955) is an American business magnate, entrepreneur, philanthropist, investor, and computer programmer.^[2][3] In 1975, Gates and Paul Allen co-founded Microsoft, which became the world's largest PC software company. During his career at Microsoft, Gates held the positions of chairman, CEO and chief software architect, and was the largest individual shareholder until May 2014.^[4][a] Gates has authored and co-authored several