Pursuing A Noble Calling

"[It] exists, in part, as a motivation for men to expend greater effort in their work, develop their capabilities further and climb higher on the ladder of success," said the founder-editor of the magazine which has survived for over half a century, and has carried interviews with and stories by Vladimir Nabokov, T. C. Boyle, Michael Chabon, Jorge Luis Borges, Joyce Carol Oates, Jonathan Safran Foer, Norman Mailer, John Updike and many more. Which magazine?