A masterly legal strategist who made his living representing both corporate tycoons and scalawags but made his public mark investigating pivotal events like the Iran-contra affair and the Attica prison uprising. A longtime partner in the New York firm of Paul, Weiss, Rifkind, Wharton & Garrison. Arthur Lawrence Liman was born in New York City on Nov. 5, 1932, and grew up in Lawrence, on Long Island. His parents, Harry and Celia Liman, were teachers, but his father left the classroom to joint the dress-making business that his own father had started. He graduated magna cum laude from Harvard in 1954, After Harvard came Yale Law, where he graduated first in his class. In 1959, he met Ellen Fogelson, a writer and painter, and four months later they were married. Besides his wife and his sister, he is survived by three children: Emily, a neurobiologist; Douglas, a filmmaker, and Lewis, a lawyer who is one of the prosecutors in the Bill Cosby extortion case under way in Federal District Court in Manhattan.