Nikola Tesla (/ˈtɛslə/; Serbian Cyrillic: Никола Тесла, [nǐkola têsla]; 10 July [O.S. 28 June] 1856 – 7 January 1943) was a Serbian-American engineer, futurist, and inventor. He is known for his contributions to the design of the modern alternating current (AC) electricity supply system. Source; Wikipedia ALWAYS - FREE SHIPPING! This is a UNISEX T-Shirt • Bella + Canvas 3001 T-Shirt • 100% combed and ring-spun cotton (Heather colors contain polyester) • Light Fabric -Fabric weight: 4.2 oz./yd.² (142 g/m²) • Runs True to Size • Non-chlorine bleach as needed; Tumble dry low heat; Do not dry clean; Machine wash cold •Pre-shrunk fabric • Side-seamed construction • Shoulder-to-shoulder taping Printed, Packaged, and Shipped in the USA We appreciate your on-going support and promise to continue to provide top-quality products with a great fit at unbeatable prices Size guide LENGTH (inches) WIDTH (inches) CHEST (inches) S 28 18 34-37 M 29 20 38-41 L 30 22 42-45 XL 31 24 46-49 2XL 32 26 50-53 3XL 33 28 54-57