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Is he the greatest living painter in the United States?
That was the direct, provocative question asked in an August 1949 LIFE magazine article that helped cement Jackson Pollock’s reputation. It was a question Pollock spent much of the rest of his life struggling to answer — while desperately hoping to show the skeptics why LIFE was right to even ask such a monumental question in the first place.
As the single most recognizable practitioner of Abstract Expressionism — the movement that put America and, specifically, post-World War II New York at the epicenter of painting’s avant-garde — Pollock was a genuine art star. But he soon abandoned the radical “drip” technique that had earned him both fame and, among some art critics, vilification and spent the last few years of his life battling the twin demons of depression and alcoholism.
Here, LIFE presents outtakes from photographer Martha Holmes’ 1949 shoot with Pollock — images that offer a unique portrait of the artist’s home life with wife and fellow painter Lee Krasner on eastern Long Island, and the singular working method that made him an art-world icon.
With a down payment loaned to them by art dealer Peggy Guggenheim, Pollock and Krasner bought land in the hamlet of Springs, New York, and moved into the house that would be Pollock’s residence for the last decade of his life. Pollock converted a small nearby barn into a studio, where he was to create many of his most famous works. As his fame grew, the little town of Springs — part of East Hampton — attracted other major artists and writers, including Willem de Kooning, Kurt Vonnegut, Nora Ephron, Philip Roth and Joseph Heller.
Despite moving out of the city to live on a farm near the ocean, it’s hard to say that nature was an inspiration for Pollock’s paintings, which were so abstract that their only apparent source was the artist’s subconscious. Still, the natural world did find its way into his paintings in the form of sand and other materials that the artist routinely applied to his canvas, along with his paints, while the titles of some work — like his gargantuan Autumn Rhythm (1950) — reflect a sensibility attuned to the seasons.
Pollock’s work was often referred to as “action painting,” and the dance-like performance in which he engaged while making a painting was integral to the aesthetic result. Instead of using an easel, he’d stretch a canvas on the floor of his barn and scamper around all four sides as he painted. Rather than using brushes, he used sticks to flick and drip paint, or he poured it straight from the can, favoring household enamels over traditional oils.
Today, a painting from Pollock’s “drip period” can fetch north of $100 million at auction.
After he became famous and successful, Pollock bought his own open-air carriage, a 1950 Oldsmobile 88 convertible. This was the vehicle he was driving on August 11, 1956, when, less than a mile from his house, he drove off the road and flipped the car, killing himself and a passenger, Edith Metzger, and injuring his mistress, Ruth Kligman.
Krasner, a talented abstract painter in her own right, had put her career on hold during decade with Pollock in the Long Island house in order to support her husband’s career. After his death, she began painting in the barn that had been his studio. By the time she died in 1984, at age 76, she was finally recognized for her own work, and not merely as “Mrs. Jackson Pollock.” Today, the farmhouse and barn studio comprise a museum devoted to the study of the married painters’ intertwined working lives.
Liz Ronk, who edited this gallery, is the Photo Editor for LIFE.com. Follow her on Twitter @lizabethronk.