Philip Seymour Hoffman, who won a best actor Oscar in 2006 for his portrayal of writer Truman Capote in “Capote” and created a gallery of other vivid characters, many of them slovenly and slightly dissipated comic figures, died Sunday. He was 46.

In one of his earliest films, he played a spoiled prep school student in “Scent of a Woman” in 1992. One of his breakthrough roles came as a gay member of a porno film crew in “Boogie Nights,” one of several movies directed by Paul Thomas Anderson that he would eventually appear in.

Just weeks ago, Showtime announced Hoffman would star in “Happyish,” a new comedy series about a middle—aged man’s pursuit of happiness.

In “The Master,” he was nominated for the 2013 Academy Award for best supporting actor for his role as the charismatic leader of a religious movement. The film, partly inspired by the life of Scientology founder L. Ron Hubbard, reunited the actor with Anderson.

Born in 1967 in Fairport, New York, Hoffman was interested in acting from an early age, mesmerised at 12 by a local production of Arthur Miller’s “All My Sons.” He studied theatre as a teenager with the New York State Summer School of the Arts and the Circle in the Square Theatre. He then majored in drama at New York University’s Tisch School of the Arts.

Trained in the theatre, with a versatility and discipline more common among British performers than Americans, he was a character actor who could take on any role, large or small, loathsome or sympathetic.

On the stage, he performed in revivals of “True West,” “Long Day’s Journey Into Night” and “The Seagull,” a summer production that also featured Meryl Streep and Kevin Kline. In 2012, he was more than equal to one of the great roles in American theater Willy Loman in “Death of a Salesman,” a performance praised as “heartbreaking” by Associated Press theater critic Mark Kennedy.

“Hoffman is only 44, but he nevertheless sags in his brokenness like a man closer to retirement age, lugging about his sample cases filled with his self—denial and disillusionment,” Kennedy wrote. “His fraying connection to reality is pronounced in this production, with Hoffman quick to anger and a hard edge emerging from his babbling.”

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