A YOUNG man stands slouching on the stoop of a crumbling Lower East Side tenement. His back is turned, but he cocks his head toward the camera, his eyes hidden behind dark shades. Beside him, staring straight ahead, are three other young men who will soon become famous. Yet 46 years later the fourth is still a sphinx. Rock scholars might recognize...
THOUGH the electric guitar was introduced in the early 1930s, its adoption into classical music came decades later. Composers like Leonard Bernstein and Michael Tippett used the instrument chiefly for its vernacular allusions. Later Rhys Chatham, Glenn Branca and Lois V. Vierk tapped into its capacity for producing complex overtones and, yes,...

Nat Finkelstein, whose photographs of Andy Warhol, Edie Sedgwick and the Velvet Underground are among the most famous images of Warhol's Factory and its revolving cast of characters, died on Oct. 2 at his home in Shandaken, N.Y. He was 76. The cause was complications of pneumonia and emphysema, said his wife, Elizabeth. As the house photographer...