Bill Gates is an American business magnate, investor, author, and philanthropist. He is best known as the co-founder of Microsoft Corporation. Some key facts about Bill Gates include: 1) He was born in Seattle, Washington in 1955 and co-founded Microsoft with his childhood friend Paul Allen in 1975. 2) Under Gates' leadership, Microsoft became the worldwide leader in PC software in the 1980s and 1990s and made him the richest man in the world for a time. 3) In addition to being a successful businessman, Gates engages in extensive philanthropic work through the Bill & Melinda Gates Foundation, which focuses on global health and development issues. 4) He