“Mr. Tynan, who died in 1980, covered theater in London and New York from 1952 to 1963, and throughout that time he was known as the most spectacularly savage of critics, a stiletto-toting wit who could coin a telling phrase and make it stick. He’s been on my mind of late, for it happens that Mr. Tynan permanently retired from drama criticism exactly 50 years ago. Back then he was famous, but now he is no longer well remembered save by his surviving victims…”