Strong leadership traits. Several stand the test of time: drive, confidence, integrity, vision.
But every era requires its own set of skills to match the moment. Neutron Jack, Chainsaw Al — these personas wouldn't fly today. Would the men who own them, Jack Welch of General Electric fame and Al Dunlap of Scott Paper (and later at Sunbeam, where he was celebrated for his ruthlessness before he was taken down in an accounting scandal) been able to reach the same the same heights in their careers if they had come around a generation later than they actually did?