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Fields died Sunday at their home in Malibu, California, with his wife, art consultant Barbara Guggenheim,

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According to an announcement from Greenberg Glusker Fields Klaiman & Machinger,

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The law firm he helped build a Hollywood powerhouse.

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Firm spokesman Seth Horowitz said Fields was suffering from the long-term neurological effects of COVID-19.

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"Burt Fields was a gentleman; an extraordinary human being," Cruz, a longtime customer, said in a statement.

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"He had a powerful intellect, a keen intellect and charm, which enjoyed every minute of his company.

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Fields was known for his fierce advocacy in the courtroom and his personal nature outside of it,

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Featuring bespoke suits, chauffeured cars and an unmatched set of talents.

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"He was extremely witty and charming with all the elegance of a true gentleman," producer Jerry Bruckheimer said in a statement.

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"But he also had the determination and grit of a Street Fighter."

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Law partner and close friend Piers O'Donnell called Fields "the greatest lawyer of his era" and "truly a Renaissance man.

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Said advocate, writer, historian, actor, raconteur, recording artist and a music enthusiast who knew every Cole Porter song.

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He was also a prolific writer with books on William Shakespeare and King Richard III published.

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His clients, who often became his close friends, were steadfast in his loyalty to him and absorbed in his admiration after his death.

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"He was a brilliant Renaissance man," Dustin Hoffman said in a statement, "and, yet, he had time to be friends."

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With Guggenheim, Fields has son James Elder Fields and grandchildren Michael and Annabelle.