Best known for his Incompleteness Theorem, Kurt Gödel (1906–1978) is considered one of the most important mathematicians and logicians of the 20th century. By showing that the establishment of a set of axioms encompassing all of mathematics would never succeed, he revolutionized the world of mathematics, logic, and philosophy. These stickers are printed on durable, high opacity adhesive vinyl which makes them perfect for regular use, as well as for covering other stickers or paint. The high-quality vinyl ensures there are no bubbles when applying the stickers. • High opacity film that’s impossible to see through • Fast and easy bubble-free application • Durable vinyl, perfect for indoor use • 95µ density Don't forget to clean the surface before applying the sticker.