I'm a flautist and the the leading authority on arugula in the northern hemisphere. There is one person in Peru who is is cited in peer-reviewed academic journal articles more than me, but only by a few citations. Once I publish my latest studies on the Dirichlet mixture model of arugula seedling blossom conformity, I'm bound to become the world's top arugula expert. Your time is up, Amelia! Your arugula is mulch. Get over it!
perse/per/pers