Aaron Copland was one of the most respected American classical composers of the twentieth century.

Known as the greatest "record man" who ever lived, Ahmet Ertegun's life comprised the history of 20th Century popular music in America.

Albert Einstein is considered one of the greatest scientific thinkers of all time.

Alexander Calder's prolific and passionate output brought with it a humor and sense of play unlike any before, redefining what art could be.

Allen Ginsberg, the visionary poet and founding father of the Beat generation inspired the American counterculture of the second half of the 20th century with groundbreaking poems such as "Howl" and "Kaddish."

Known for his extended study of Washington Square Park and his distorted nudes of the 1930s, Andre Kertesz was a quiet but important influence on the coming of age of photojournalism and the art of photography.

Andy Warhol defined the pop art movement of the 20th Century. His paintings are among the most recognizable images ever produced.

Annie Leibovitz has photographed musicians, actors, and writers since the early 1970s. She has captured some of the most enduring images of our time.

American Masters tributes “The Queen of Soul” Ms. Aretha Franklin.

In the period immediately following the end of World War II, American theater was transformed by the work of playwright Arthur Miller.