(CBS) Former Illinois basketball assistant and state champion high school coach Wayne McClain has passed away at 59, according to the Champaign News-Gazette.

He is survived by his wife Robin, son Sergio, daughter Brindeshie and grandson Sergio Jr., according to the News-Gazette.

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McClain had been hospitalized earlier in the week with pneumonia.

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McClain is one of the state’s most successful high school coaches of all time, leading Peoria Manual to three consecutive state championships from 1995-’97. He later joined Bill Self’s staff at Illinois in 2002-’03, then stayed on as an assistant when Bruce Weber replaced Self, who left for Kansas. McClain was a member of staff during the entire Weber era, which ended following the 2011-’12 season. He also was on staff for one season with Weber at Kansas State.

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Most recently, McClain was the coach at Champaign Central High School.