According to anobituaryposted this week by his family, Hume died July 13.

A cause was not stated.

The film because a cultural touchstone, drawing more than 100 million U.S. viewers.

Edward Hume obituary

Edward HumeCourtesy

The film stunned audiences with graphic and, for the time, realistic special effects depicting multiple nuclear strikes.

A grim ending introduced many viewers to the concept of nuclear winter.

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‘The Day After’ABC/Courtesy: Everett Collection