There’s berkelium, californium, plutonium, seaborgium, lawrencium, astatine, and more. UC Berkeley and Berkeley Lab claim 16 elements on the known periodic table that are ours, indisputably. But some of these claims were not always indisputable. https://alumni.berkeley.edu/california-magazine/spring-2014-branding/branding-elements-berkeley-stakes-its-claims-periodic-table