Bill Gates (15) and Paul Allen (17) at Seattle’s Lakeside School in 1970. 5 years later, they founded Microsoft. On October 6, 2020 By Anirudh Sethi In Analysis, Education, Life Bill Gates (15) and Paul Allen (17) at Seattle’s Lakeside School in 1970. 5 years later, they founded Microsoft. Share this:Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on WhatsApp (Opens in new window)