Considering today would have been Frank Lloyd Wright‘s 150th birthday, you’d think we all know everything there is to know about the prolific architect. But the wildly creative, often stubborn, and always meticulous Wright was also quite mysterious, leaving behind a legacy full of oddities and little-known stories. In honor of the big day, 6sqft has rounded up the top 10 things you likely never knew about him, including the mere three hours it took him to design one of his most famous buildings, the world-famous toy that his son designed, his secondary career, and a couple present-day ways his work lives on.

Everything you never knew about FLW