Trump pardons Zay Jeffries, World War II scientist who helped develop tank-piercing artillery

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President Trump has granted a posthumous pardon to World War II scientist Zay Jeffries, who helped the U.S. develop artillery shells capable of piercing German tanks' armor during World War II, the White House announced Thursday.

Jeffries was convicted in 1948 of engaging in anticompetitive conduct that violated the Sherman Anti-Trust Act. He died in 1965 at age 77.