Shizuo Kakutani (角谷 静夫, Kakutani Shizuo; August 28, 1911 – August 17, 2004) was a Japanese and American mathematician, best known for his eponymous fixed-point theorem.
Source: “Shizuo Kakutani”, English Wikipedia (CC BY-SA 4.0), excerpt
🎓 Tohoku University🏫 Konan Higher School📅 Born August 28🎂 Born 1911📍 From Osaka, Osaka Prefecture💼 Mathematician