This author of a set of recipes posthumously titled for his “Prison Cooking” discussed biases influenced by antipathy and sympathy in a text that argues the inverse of the “principle of asceticism.” The claim that humanity is ruled over by “two sovereign masters” appears in that treatise by this thinker who rejected natural rights as a “perversion of language” and “nonsense upon (10[1])stilts.” (-5[2])This author of An Introduction (-5[1])to the Principles of Morals and Legislation included fecundity and purity among the variables in his felicific calculus. (10[1]-5[1])This thinker’s quantity-focused approach (10[1])to determining happiness was countered by his associate, John Stuart Mill. For 10 points, name this English philosopher (-5[1])who co-founded utilitarianism. ■END■ (10[4]0[1])