HOLLYWOOD (CBSLA.com) — A memorial service was held Sunday for Dr. Richard Grossman, a medical pioneer who revolutionized the treatment of severely-burned patients. He died last month at 81.

A crowd gathered to pay Grossman tribute at the LA Historical Firefighters Museum.

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Burn survivors, fire agencies and community leaders praised the doctor who dedicated his life to restoring the lives of thousands of patients, including firefighters, children and celebrities. People came from all over the world to receive his care.

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In 1969, the doctor established the world-renowned Grossman Burn Center in Sherman Oaks.

Grossman was also praised for building a close working relationship between physicians and fire agencies. In 1994, he was the first physician to receive the prestigious “Honorary Fire Chief” award.

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“Dr. Grossman was certainly one of us. He cared for our injured and burned firefighters as if they were his own sons and daughters. He worked tirelessly to bring comfort and hope to our members who sought his care over the years,” LAFD Interim Fire Chief James Featherstone said.