For 10 points, identify this author of History as a System and The Dehumanization of Art who wrote about "mass-men" and  in his work The Revolt of the Masses.
The ACF Nationals 2005 tossup on this philosopher led in with a prologue he wrote called Meditations on Hunting. This man equated life with "self" and "circumstances" in a work explaining the "radical orientation" in Some Lessons in Metaphysics, and one work by this philosopher contains a chapter titled (+) "Man the Technician." One work by this philosopher was published alongside (*) "Notes on the Novel" and notes that form is more important than content and that human metaphors are eliminated by the title phenomenon, and another work of this philosopher states that common citizens must be led by the takeover of intellectual leadership to prevent a descent into barbarism. For 10 points, identify this author of History as a System and The Dehumanization of Art who wrote about "mass-men" and  in his work The Revolt of the Masses.
The ACF Nationals 2005 tossup on this philosopher led in with a prologue he wrote called Meditations on Hunting.
Jose Ortega y Gasset